Sprite Gen
aldegad/sprite-gen
Generates images and game sprites through GPT or Grok with guided provider choices, separate saved defaults, automatic cleanup and optional curation.
2D game development principles. An agent skill from sickn33/agentic-awesome-skills.
Install 2D Games
$ npx skills add sickn33/agentic-awesome-skills --skill 2d-games -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install sickn33/agentic-awesome-skills 2d-games --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/game-development/2d-games .claude/skills/2d-games && rm -rf skills-srcUse ~/.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/
Install the "2d-games" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/game-development/2d-games into .claude/skills/2d-games/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "2d-games", 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 install https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/game-development/2d-gamesType 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.
$ npx skills add sickn33/agentic-awesome-skills --skill 2d-games -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install sickn33/agentic-awesome-skills 2d-games --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/game-development/2d-games .agents/skills/2d-games && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "2d-games" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/game-development/2d-games into .agents/skills/2d-games/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "2d-games", 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.
$ npx skills add sickn33/agentic-awesome-skills --skill 2d-games -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install sickn33/agentic-awesome-skills 2d-games --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/game-development/2d-games .cursor/skills/2d-games && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "2d-games" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/game-development/2d-games into .cursor/skills/2d-games/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "2d-games", 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 https://github.com/sickn33/agentic-awesome-skills.git --path skills/game-development/2d-games--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add sickn33/agentic-awesome-skills --skill 2d-games -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install sickn33/agentic-awesome-skills 2d-games --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/game-development/2d-games .gemini/skills/2d-games && rm -rf skills-srcUse ~/.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/
Install the "2d-games" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/game-development/2d-games into .gemini/skills/2d-games/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "2d-games", 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.
$ gh skill install sickn33/agentic-awesome-skills 2d-gamesInstalls 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).
$ npx skills add sickn33/agentic-awesome-skills --skill 2d-games -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/game-development/2d-games .github/skills/2d-games && rm -rf skills-srcUse ~/.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/
Install the "2d-games" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/game-development/2d-games into .github/skills/2d-games/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "2d-games", 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.
$ npx skills add sickn33/agentic-awesome-skills --skill 2d-games -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install sickn33/agentic-awesome-skills 2d-games --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/game-development/2d-games .opencode/skills/2d-games && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "2d-games" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/game-development/2d-games into .opencode/skills/2d-games/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "2d-games", 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
2d-games- GitHub stars
- 47k
- Used in
- 1 other repo
- Token cost
- ~800 tokens
- SKILL.md length
- 305 words
- Files
- 1
- Skills in repo
- 1,493
- Repo updated
- First seen
- Licence
- MIT
At a glance
2D game development principles. An agent skill from sickn33/agentic-awesome-skills.
- Works in 6 steps: Sprite Systems → Tilemap Design → 2D Physics → …
- Canvas/Phaser/Kaplay/Pixi 2D games
- SKILL.md covers Shell vs guest (web), 1. Sprite Systems, 2. Tilemap Design and 3. 2D Physics, plus 6 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
2D Games is an agent skill from sickn33/agentic-awesome-skills. 2D game development principles. Sprites, atlases, tilemaps, physics, cameras, and genre patterns (platformer, top-down). Use for canvas/Phaser/Kaplay/Pixi 2D games or guest viewports inside hybrid web apps.
Its SKILL.md is about 800 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 Game development and Sprites and pixel art. The repository describes itself as: AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 2,400+ agentic skills. Includes… The licence is MIT.
When your agent uses it
- Canvas/Phaser/Kaplay/Pixi 2D games
- Guest viewports inside hybrid web apps
Example prompts
- “/2d-games”
Workflow steps
6 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit 680176d. 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.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
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
2D Games loads about 800 tokens when it runs. Until then it costs about 54 tokens; SKILL.md has 305 words of instructions outside code blocks.
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 sickn33/agentic-awesome-skills at commit 680176d, republished under its MIT licence (© sickn33). 305 words, ~800 tokens.
Download SKILL.mdSave it as
.claude/skills/2d-games/SKILL.md (or your agent's skills folder).- name
- 2d-games
- description
- 2D game development principles. Sprites, atlases, tilemaps, physics, cameras, and genre patterns (platformer, top-down). Use for canvas/Phaser/Kaplay/Pixi 2D games or guest viewports inside hybrid web apps.
- risk
- none
- source
- community
- date_added
- 2026-02-27
2D Game Development
Principles for 2D game systems. Pair with
game-development/web-games/game-development/engine-selectionfor framework choice.
Shell vs guest (web)
| Setup | 2D systems live… |
|---|---|
| Full-screen 2D game | Entire app (Phaser/Kaplay/Pixi/Canvas) |
| Hybrid DOM + challenges | Only inside guest viewports; tear down when done |
1. Sprite Systems
| Component | Purpose |
|---|---|
| Atlas | Combine textures, reduce draw calls |
| Animation | Frame sequences (often 8-24 FPS) |
| Pivot | Rotation/scale origin |
| Layering | Z-order control |
Animation Principles
- Squash and stretch for impact
- Anticipation before action
- Follow-through after action
2. Tilemap Design
| Factor | Recommendation |
|---|---|
| Size | 16x16, 32x32, 64x64 |
| Auto-tiling | Use for terrain |
| Collision | Simplified shapes |
| Layer | Content |
|---|---|
| Background | Non-interactive scenery |
| Terrain | Walkable ground |
| Props | Interactive objects |
| Foreground | Parallax overlay |
3. 2D Physics
| Shape | Use Case |
|---|---|
| Box | Rectangular objects |
| Circle | Balls, rounded |
| Capsule | Characters |
| Polygon | Complex shapes |
- Pixel-perfect vs physics-based: pick one approach per game
- Fixed timestep for consistency
- Layers for filtering
4. Camera Systems
| Type | Use |
|---|---|
| Follow | Track player |
| Look-ahead | Anticipate movement |
| Multi-target | Two-player |
| Room-based | Metroidvania |
| Static | Board games, modal skill-checks |
Screen Shake
- Short duration (50-200ms)
- Diminishing intensity
- Use sparingly
5. Genre Patterns
Platformer
- Coyote time (leniency after edge)
- Jump buffering
- Variable jump height
Top-down
- 8-directional or free movement
- Aim-based or auto-aim
- Decide whether rotation matters
6. Anti-Patterns
| ❌ Don't | ✅ Do |
|---|---|
| Separate textures | Use atlases |
| Complex collision shapes | Simplified collision |
| Jittery camera | Smooth following |
| Pixel-perfect on physics | Choose one approach |
| Orphaned RAF/listeners after a guest closes | Full teardown |
Remember: 2D is about clarity. Every pixel should communicate.
When to Use
Use for canvas/Phaser/Kaplay/Pixi 2D systems, or guest viewports inside hybrid web apps.
Example
User request:
Use @2d-games for this task: 2D game development principles.
Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.
© sickn33, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in skills/game-development/2d-games of sickn33/agentic-awesome-skills.
Open the folder on GitHubat commit 680176d
Used in 1 other repository
We found 7 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in sickn33/agentic-awesome-skills, which our catalogue first saw on October 7, 2026.
Compare with similar skills
2D Games 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| 2D Games this skillsickn33/agentic-awesome-skills | 47k | 1 repos | ~800 | Automated safety check: Pass | MIT | |
| Sprite Genaldegad/sprite-gen | 2.6k | — | ~4.8k | Automated safety check: Pass | Apache-2.0 | |
| Asset Pipelinerehan-remade/universal-modder | 5.8k | — | ~2k | Automated safety check: Pass | MIT | |
| Spine AnimationGenielabsOpenSource/spine-animation-ai | 518 | — | ~17k | Automated safety check: Pass | CC-BY-NC-4.0 | |
| AI Game Art Pipelineybuild-ai/ai-game-art-pipeline-skill | 297 | — | ~1.1k | Automated safety check: Pass | MIT | |
| Godot 2D Essentialsjame581/GodotPrompter | 799 | — | ~2.3k | Automated safety check: Pass | MIT |
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rehan-remade/universal-modder
Turn generated or hand-made art into exactly what a game engine loads.
Spine Animation
GenielabsOpenSource/spine-animation-ai
Create Spine 2D skeletal animations from pre-existing character assets (separated body-part PNGs, atlas spritesheet, or a full character image).
AI Game Art Pipeline
ybuild-ai/ai-game-art-pipeline-skill
Provider-neutral open-source skill for planning and producing game-runtime art assets and animation: static props/icons, canonical character sheets, combat sprites, 3D/video motion references…
Godot 2D Essentials
jame581/GodotPrompter
Covers Godot 4.3+ 2D systems with GDScript and C# examples: canvas layers, draw order, TileMaps, parallax, lights and shadows, particles and custom drawing.
Godot 3D World Building
thedivergentai/GD-Agentic-Skills
Expert patterns for 3D level design using GridMap with MeshLibrary, CSG constructive solid geometry, occlusion, and runtime GridMap builders.
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Related
Categories
Questions about 2D Games
What does 2D Games do?
2D game development principles. An agent skill from sickn33/agentic-awesome-skills. 2D Games is an agent skill from sickn33/agentic-awesome-skills. 2D game development principles.
When should I use 2D Games?
2D Games fits situations like: canvas/Phaser/Kaplay/Pixi 2D games; guest viewports inside hybrid web apps.
How do I install 2D Games in Claude Code?
Run `npx skills add sickn33/agentic-awesome-skills --skill 2d-games -a claude-code`. Or copy the skill folder (skills/game-development/2d-games in sickn33/agentic-awesome-skills) into .claude/skills/2d-games in your project. Claude Code loads it when a task matches its description.
How do I install 2D Games in Codex?
Run `npx skills add sickn33/agentic-awesome-skills --skill 2d-games -a codex`. Or copy the skill folder (skills/game-development/2d-games in sickn33/agentic-awesome-skills) into .agents/skills/2d-games in your project. Codex loads it when a task matches its description.
Can I use 2D Games 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 sickn33/agentic-awesome-skills --skill 2d-games -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/2d-games, .gemini/skills/2d-games, .github/skills/2d-games and .opencode/skills/2d-games in your project.
What does 2D Games need to run?
SKILL.md names no scripts, command-line tools or credentials: 2D Games is instructions for the agent only.
Does 2D Games access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is 2D Games 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 2D Games use?
2D Games is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does 2D Games use?
About 800 tokens (SKILL.md is roughly 3.2k 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 2D Games?
Skills that share tags, products or a category with 2D Games: Sprite Gen (aldegad/sprite-gen, 2.6k stars), Asset Pipeline (rehan-remade/universal-modder, 5.8k stars), Spine Animation (GenielabsOpenSource/spine-animation-ai, 518 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 2D Games?
sickn33 (a GitHub user) maintains it in sickn33/agentic-awesome-skills, which has 47,379 GitHub stars. The repository holds 1,493 skills in this directory. The repository was last updated on October 9, 2026.
Source: sickn33/agentic-awesome-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.