Free open-source C# game engine for 2D and 3D games
Position #2 of 74 in Games · 12 alternatives · Facts on record: 3 of 5 · live ✓ · platforms · source
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15 best game-engine tools
15 “game-engine” tools — 10 free, 4 freemium, 1 paid; in Games. Every listing links straight to the official site — no paid placement.
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804 tools listedUpdated 2026-08-14Dofollow links · availability re-checked automatically
= official website confirmed live by our automated check · how we check →
Related tags:#open-source 106#2d 8#3d 5#no-code 19#lua 2#indie 33#collaboration 28#python 10All tags →
Python-powered open-source game engine with concise code
Position #4 of 74 in Games · 12 alternatives · Facts on record: 2 of 5 · live ✓ · source
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Refreshingly simple data-driven game engine built in Rust
Position #21 of 74 in Games · 12 alternatives · Facts on record: 2 of 5 · live ✓ · source
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Free 2D game engine based on web technologies with visual tools
Position #23 of 74 in Games · 12 alternatives · Facts on record: 4 of 5 · live ✓ · platforms · docs · source
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Ebitengine
ebitengine.org
Dead simple open-source 2D game engine for Go
Position #25 of 74 in Games · 12 alternatives · Facts on record: 1 of 5 · live ✓
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Flax Engine
flaxengine.com
Fully featured game engine with full source code access
Position #27 of 74 in Games · 12 alternatives · Facts on record: 4 of 5 · live ✓ · platforms · docs · source
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Free 2D game engine for beginners and professional indie developers
Position #30 of 74 in Games · 12 alternatives · Facts on record: 2 of 5 · live ✓ · platforms
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Free open-source no-code game engine for 2D, 3D and multiplayer games
Position #36 of 74 in Games · 12 alternatives · Facts on record: 2 of 5 · live ✓ · platforms
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Cross-platform Haxe graphics engine for high-performance games
Position #39 of 74 in Games · 12 alternatives · Facts on record: 3 of 5 · live ✓ · docs · source
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Game engine geared toward VR projects and beginners
Position #44 of 74 in Games · 12 alternatives · Facts on record: 1 of 5 · live ✓
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Zig game engine and graphics toolkit for cross-platform apps
74 listed in Games · 12 alternatives · Facts on record: 2 of 5 · live ✓ · docs
✓ Links checked 2026-09-07View →
Open-source data-driven 2.5D game development engine for C/C++
74 listed in Games · 12 alternatives · Facts on record: 2 of 5 · live ✓ · source
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PlayCanvas
playcanvas.com
Open-source WebGL and WebGPU engine with a collaborative editor
74 listed in Games · 12 alternatives · Facts on record: 3 of 5 · live ✓ · pricing page · docs
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Lua-based open-source 2D game engine forked from Corona SDK
74 listed in Games · 12 alternatives · Facts on record: 1 of 5 · live ✓
✓ Links checked 2026-09-07View →
Lightweight free and open-source 2D game engine with a graphical editor
74 listed in Games · 12 alternatives · Facts on record: 3 of 5 · live ✓ · platforms · docs
✓ Links checked 2026-09-07View →