Agent skill

Unity Tilemap 2D

by gamedev-skills in gamedev-skills/awesome-gamedev-agent-skills

Build and script 2D tilemaps in Unity 6.3 LTS: the Grid + Tilemap components, the Tile Palette, tilemap colliders, rule tiles, and runtime SetTile/GetTile painting.

Apache-2.0Auto-check passedGame Development

Install Unity Tilemap 2D

skills CLI

$ npx skills add gamedev-skills/awesome-gamedev-agent-skills --skill unity-tilemap-2d -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI

$ gh skill install gamedev-skills/awesome-gamedev-agent-skills unity-tilemap-2d --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy

$ git clone --depth 1 https://github.com/gamedev-skills/awesome-gamedev-agent-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/unity/unity-tilemap-2d .claude/skills/unity-tilemap-2d && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Paste into Claude Code

Install the "unity-tilemap-2d" agent skill from https://github.com/gamedev-skills/awesome-gamedev-agent-skills/tree/main/skills/unity/unity-tilemap-2d into .claude/skills/unity-tilemap-2d/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "unity-tilemap-2d", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/gamedev-skills/awesome-gamedev-agent-skills/tree/main/skills/unity/unity-tilemap-2d

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add gamedev-skills/awesome-gamedev-agent-skills --skill unity-tilemap-2d -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install gamedev-skills/awesome-gamedev-agent-skills unity-tilemap-2d --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/gamedev-skills/awesome-gamedev-agent-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/unity/unity-tilemap-2d .agents/skills/unity-tilemap-2d && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "unity-tilemap-2d" agent skill from https://github.com/gamedev-skills/awesome-gamedev-agent-skills/tree/main/skills/unity/unity-tilemap-2d into .agents/skills/unity-tilemap-2d/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "unity-tilemap-2d", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add gamedev-skills/awesome-gamedev-agent-skills --skill unity-tilemap-2d -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install gamedev-skills/awesome-gamedev-agent-skills unity-tilemap-2d --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/gamedev-skills/awesome-gamedev-agent-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/unity/unity-tilemap-2d .cursor/skills/unity-tilemap-2d && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "unity-tilemap-2d" agent skill from https://github.com/gamedev-skills/awesome-gamedev-agent-skills/tree/main/skills/unity/unity-tilemap-2d into .cursor/skills/unity-tilemap-2d/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "unity-tilemap-2d", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/gamedev-skills/awesome-gamedev-agent-skills.git --path skills/unity/unity-tilemap-2d

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add gamedev-skills/awesome-gamedev-agent-skills --skill unity-tilemap-2d -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install gamedev-skills/awesome-gamedev-agent-skills unity-tilemap-2d --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/gamedev-skills/awesome-gamedev-agent-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/unity/unity-tilemap-2d .gemini/skills/unity-tilemap-2d && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "unity-tilemap-2d" agent skill from https://github.com/gamedev-skills/awesome-gamedev-agent-skills/tree/main/skills/unity/unity-tilemap-2d into .gemini/skills/unity-tilemap-2d/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "unity-tilemap-2d", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install gamedev-skills/awesome-gamedev-agent-skills unity-tilemap-2d

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add gamedev-skills/awesome-gamedev-agent-skills --skill unity-tilemap-2d -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/gamedev-skills/awesome-gamedev-agent-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/unity/unity-tilemap-2d .github/skills/unity-tilemap-2d && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "unity-tilemap-2d" agent skill from https://github.com/gamedev-skills/awesome-gamedev-agent-skills/tree/main/skills/unity/unity-tilemap-2d into .github/skills/unity-tilemap-2d/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "unity-tilemap-2d", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add gamedev-skills/awesome-gamedev-agent-skills --skill unity-tilemap-2d -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install gamedev-skills/awesome-gamedev-agent-skills unity-tilemap-2d --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/gamedev-skills/awesome-gamedev-agent-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/unity/unity-tilemap-2d .opencode/skills/unity-tilemap-2d && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "unity-tilemap-2d" agent skill from https://github.com/gamedev-skills/awesome-gamedev-agent-skills/tree/main/skills/unity/unity-tilemap-2d into .opencode/skills/unity-tilemap-2d/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "unity-tilemap-2d", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: unity-tilemap-2d
GitHub stars: 1.4k
Token cost: ~1.5k tokens
SKILL.md length: 544 words
Files: 1
Skills in repo: 53
Repo updated: Sep 27, 2026
First seen: Oct 7, 2026
Licence: Apache-2.0

At a glance

Build and script 2D tilemaps in Unity 6.3 LTS: the Grid + Tilemap components, the Tile Palette, tilemap colliders, rule tiles, and runtime SetTile/GetTile painting.

Works in 3 steps: Painting tiles at runtime (cell… → Bulk fill a region (faster than per-cell… → Clearing and refreshing
Painting tile levels
SKILL.md covers When to use, Core workflow, Patterns and Pitfalls, plus 2 more sections
Reaches docs.unity3d.com

What it does

Unity Tilemap 2D is an agent skill from gamedev-skills/awesome-gamedev-agent-skills. Build and script 2D tilemaps in Unity 6.3 LTS: the Grid + Tilemap components, the Tile Palette, tilemap colliders, rule tiles, and runtime SetTile/GetTile painting. Use when painting tile levels, adding a TilemapCollider2D, using rule or animated tiles, generating tilemaps from code, or when the user mentions Unity tilemap, tile palette, rule tile, or Grid.

Its SKILL.md is about 1.5k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Game Development, covering Sprites and pixel art and Game development. The repository describes itself as: 74 game-dev skills for AI coding agents — Godot, Unity, Unreal, Phaser, PixiJS, three.js, Bevy, pygame, LÖVE, Roblox. Portable SKILL.md Agent Skills (the format Anthropic… The licence is Apache-2.0.

When your agent uses it

Painting tile levels
Adding a TilemapCollider2D
Generating tilemaps from code
The user mentions Unity tilemap

Example prompts

“/unity-tilemap-2d”

Workflow steps

3 steps, taken from the step headings in SKILL.md.

Painting tiles at runtime (cell coordinates)
Bulk fill a region (faster than per-cell SetTile)
Clearing and refreshing

What it can do on your machine

Read from SKILL.md and the folder at commit d4b0e35. It shows what the files ask for, not the result of running them.

Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are csharp).
From the folder's file list and the shell code blocks in SKILL.md.
Network
Hosts in commands or code, which the agent is likely to contact:
- docs.unity3d.com
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Unity Tilemap 2D loads about 1.5k tokens when it runs. Until then it costs about 94 tokens; SKILL.md has 544 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~94
When it runs · the whole SKILL.md, loaded when a task matches: ~1.5k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from gamedev-skills/awesome-gamedev-agent-skills at commit d4b0e35, republished under its Apache-2.0 licence (© gamedev-skills). 544 words, ~1,480 tokens.

Download SKILL.mdSave it as .claude/skills/unity-tilemap-2d/SKILL.md (or your agent's skills folder).

name: unity-tilemap-2d
description: Build and script 2D tilemaps in Unity 6.3 LTS: the Grid + Tilemap components, the Tile Palette, tilemap colliders, rule tiles, and runtime SetTile/GetTile painting. Use when painting tile levels, adding a TilemapCollider2D, using rule or animated tiles, generating tilemaps from code, or when the user mentions Unity tilemap, tile palette, rule tile, or Grid.

Unity 2D Tilemap

Author and script tile-based 2D levels in Unity 6.3 LTS with the Grid/Tilemap system, the Tile Palette, colliders, and runtime painting. Targets Unity 6.3 LTS (6000.3).

Package note: the core Tilemap (Grid, Tilemap, Tile, TilemapCollider2D) is built in. Rule Tiles, Animated Tiles, and Tile Palette brushes live in the separate "2D Tilemap Extras" package (com.unity.2d.tilemap.extras) — install it via Package Manager before using RuleTile.

When to use

Use when laying out a 2D level by painting tiles, setting up a Grid + Tilemap, adding collision to the map, using auto-tiling Rule Tiles, or generating/editing tiles from script.
Use when scenes contain a Grid with Tilemap children, or *.asset tile/palette files.

When not to use: level design practice (pacing, blockout, layout principles) → level-design. 3D tile/grid placement → Unity's own 3D tooling (ProBuilder / grid brushes; no dedicated skill here). The platformer character that moves over the tiles → platformer / unity-physics.

Core workflow

Create the grid: GameObject → 2D Object → Tilemap → Rectangular (the Grid's Cell Layout also offers Hexagonal and Isometric for hex/iso levels). This makes a Grid with a child Tilemap (+ TilemapRenderer). Use one Tilemap per layer (background, ground, foreground) and set each renderer's sorting.
Open the Tile Palette (Window → 2D → Tile Palette), drag in a sliced sprite sheet to create Tile assets, then paint with the brush tools.
Add collision to the solid layer: TilemapCollider2D. For one merged collider (far cheaper and gap-free), also add CompositeCollider2D (+ a Rigidbody2D set to Static) and enable Used By Composite on the tilemap collider.
Auto-tile with Rule Tiles (2D Tilemap Extras) so edges/corners pick the right sprite automatically instead of hand-placing every variant.
Edit at runtime via script with cell coordinates (Vector3Int): SetTile, GetTile, SetTilesBlock, converting world↔cell with the Grid/Tilemap.
Verify in Play mode: confirm collisions (Physics Debugger), sorting order, and that RefreshAllTiles ran after bulk edits.

Patterns

1. Painting tiles at runtime (cell coordinates)

csharp

using UnityEngine;
using UnityEngine.Tilemaps;

public class TilePainter : MonoBehaviour
{
    [SerializeField] private Tilemap tilemap;   // assign the target Tilemap
    [SerializeField] private TileBase groundTile;

    // World position -> cell, then place a tile.
    public void PaintAt(Vector3 worldPos)
    {
        Vector3Int cell = tilemap.WorldToCell(worldPos);
        tilemap.SetTile(cell, groundTile);
    }

    public bool IsSolid(Vector3 worldPos)
        => tilemap.GetTile(tilemap.WorldToCell(worldPos)) != null;
}

2. Bulk fill a region (faster than per-cell `SetTile`)

csharp

// SetTilesBlock writes a whole BoundsInt in one call — use it for procedural rooms/floors.
public void FillFloor(Tilemap map, TileBase tile, int width, int height)
{
    var bounds = new BoundsInt(0, 0, 0, width, height, 1);
    var tiles  = new TileBase[width * height];
    for (int i = 0; i < tiles.Length; i++) tiles[i] = tile;
    map.SetTilesBlock(bounds, tiles);
}

3. Clearing and refreshing

csharp

tilemap.SetTile(cell, null);   // null erases the tile at that cell
tilemap.RefreshTile(cell);     // re-evaluate just this cell's rule/animated neighbors (cheap)
// RefreshAllTiles() re-evaluates the ENTIRE map — reserve it for full regenerations, not per-edit.

Show full SKILL.md (217 more words)Show less

Pitfalls

RuleTile type not found — it's not built in. Install the 2D Tilemap Extras package (com.unity.2d.tilemap.extras) via Package Manager.
A collider per tile tanks performance / leaves seams — add a CompositeCollider2D with a static Rigidbody2D and Used By Composite to merge the whole layer into one smooth shape.
Confusing world and cell coordinates — SetTile/GetTile take a Vector3Int cell, not a world position. Always convert with WorldToCell / CellToWorld.
Tiles render behind/in front of sprites unexpectedly — set each TilemapRenderer's Sorting Layer and Order in Layer; multiple tilemaps need explicit ordering.
Rule/animated tiles don't update after script edits — refresh after writes, but prefer the targeted RefreshTile(cell) for a few edits; RefreshAllTiles() re-evaluates every tile on the map and stalls large levels. Reserve the full refresh for whole-map regenerations.
Painting onto the wrong layer — the active target Tilemap in the Tile Palette determines where paint lands; check the "Active Tilemap" dropdown.

References

Primary docs: Unity Manual "Tilemaps" (https://docs.unity3d.com/Manual/tilemaps/work-with-tilemaps/tilemap-reference.html), ScriptReference/Tilemaps.Tilemap, and the 2D Tilemap Extras package manual (https://docs.unity3d.com/Packages/com.unity.2d.tilemap.extras@6.0/manual/index.html) for Rule Tiles. (@6.0 is the version that ships with Unity 6.3 LTS; the old @1.6 docs are for Unity 2021-era projects.)

level-design — engine-agnostic blockout, pacing, and tile layout practice.
procedural-gen — generating the tile data (noise, RNG, dungeons) you feed to SetTilesBlock.
platformer / roguelike — genres that compose this skill with movement and generation.

Files

Just SKILL.md in skills/unity/unity-tilemap-2d of gamedev-skills/awesome-gamedev-agent-skills.

Open the folder on GitHubat commit d4b0e35

Compare with similar skills

Unity Tilemap 2D next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Unity Tilemap 2D compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Unity Tilemap 2D this skillgamedev-skills/awesome-gamedev-agent-skills	1.4k	—	~1.5k	Automated safety check: Pass	Apache-2.0	11 days ago
Sprite Genaldegad/sprite-gen	2.6k	—	~4.5k	Automated safety check: Pass	Apache-2.0	yesterday
Asset Pipelinerehan-remade/universal-modder	5.3k	—	~2k	Automated safety check: Pass	MIT	today
Spine AnimationGenielabsOpenSource/spine-animation-ai	515	—	~17k	Automated safety check: Pass	CC-BY-NC-4.0	1 mo ago
AI Game Art Pipelineybuild-ai/ai-game-art-pipeline-skill	297	—	~1.1k	Automated safety check: Pass	MIT	3 mo ago
Godot 2D Essentialsjame581/GodotPrompter	795	—	~2.3k	Automated safety check: Pass	MIT	2 days ago

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Questions about Unity Tilemap 2D

What does Unity Tilemap 2D do?

Build and script 2D tilemaps in Unity 6.3 LTS: the Grid + Tilemap components, the Tile Palette, tilemap colliders, rule tiles, and runtime SetTile/GetTile painting. Unity Tilemap 2D is an agent skill from gamedev-skills/awesome-gamedev-agent-skills.3 LTS: the Grid + Tilemap components, the Tile Palette, tilemap colliders, rule tiles, and runtime SetTile/GetTile painting.

When should I use Unity Tilemap 2D?

Unity Tilemap 2D fits situations like: painting tile levels; adding a TilemapCollider2D; generating tilemaps from code; the user mentions Unity tilemap.

How do I install Unity Tilemap 2D in Claude Code?

Run `npx skills add gamedev-skills/awesome-gamedev-agent-skills --skill unity-tilemap-2d -a claude-code`. Or copy the skill folder (skills/unity/unity-tilemap-2d in gamedev-skills/awesome-gamedev-agent-skills) into .claude/skills/unity-tilemap-2d in your project. Claude Code loads it when a task matches its description.

How do I install Unity Tilemap 2D in Codex?

Run `npx skills add gamedev-skills/awesome-gamedev-agent-skills --skill unity-tilemap-2d -a codex`. Or copy the skill folder (skills/unity/unity-tilemap-2d in gamedev-skills/awesome-gamedev-agent-skills) into .agents/skills/unity-tilemap-2d in your project. Codex loads it when a task matches its description.

Can I use Unity Tilemap 2D in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add gamedev-skills/awesome-gamedev-agent-skills --skill unity-tilemap-2d -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/unity-tilemap-2d, .gemini/skills/unity-tilemap-2d, .github/skills/unity-tilemap-2d and .opencode/skills/unity-tilemap-2d in your project.

What does Unity Tilemap 2D need to run?

SKILL.md names no scripts, command-line tools or credentials: Unity Tilemap 2D is instructions for the agent only.

Does Unity Tilemap 2D access the network?

SKILL.md names 1 domain. In commands or code: docs.unity3d.com; the agent is likely to contact it when it follows the instructions. This is read from the text; nothing was executed.

Is Unity Tilemap 2D safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Unity Tilemap 2D use?

Unity Tilemap 2D is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Unity Tilemap 2D use?

About 1.5k tokens (SKILL.md is roughly 5.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Unity Tilemap 2D?

Skills that share tags, products or a category with Unity Tilemap 2D: Sprite Gen (aldegad/sprite-gen, 2.6k stars), Asset Pipeline (rehan-remade/universal-modder, 5.3k stars), Spine Animation (GenielabsOpenSource/spine-animation-ai, 515 stars) and AI Game Art Pipeline (ybuild-ai/ai-game-art-pipeline-skill, 297 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Unity Tilemap 2D?

gamedev-skills (a GitHub organization) maintains it in gamedev-skills/awesome-gamedev-agent-skills, which has 1,356 GitHub stars. The repository holds 53 skills in this directory. The repository was last updated on September 27, 2026.

Source: gamedev-skills/awesome-gamedev-agent-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Install Unity Tilemap 2D

Facts

At a glance

What it does

When your agent uses it

Example prompts

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Unity 2D Tilemap

When to use

Core workflow

Patterns

1. Painting tiles at runtime (cell coordinates)

2. Bulk fill a region (faster than per-cell SetTile)

3. Clearing and refreshing

Pitfalls

References

Related skills

Files

Compare with similar skills

Similar skills

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Related

Questions about Unity Tilemap 2D

2. Bulk fill a region (faster than per-cell `SetTile`)