Side-by-side comparison of two listed Games — real listing data only, no paid placement.
On record, they differ in: pricing (ct.js Free vs GDevelop Freemium); platforms (ct.js 1 official install link found vs GDevelop 5 — store/installer links only); unique tags (ct.js 1: #javascript vs GDevelop 1: #no-code); category rank (ct.js #23 vs GDevelop #36). Same category (Games). Listing facts only — not a recommendation.
Free 2D game engine based on web technologies with visual tools
ct.js is a free 2D game engine built on web technologies that aims to make learning programming fun and game development easy. It combines visual tools, documentation and a flexible modular library, with several coding language options and localized versions.
Published 2026-08-13 · Links checked 2026-09-06
Free open-source no-code game engine for 2D, 3D and multiplayer games
GDevelop is a free, open-source, no-code game engine for building 2D, 3D and multiplayer games. Tutorials cover learning game development, AI assistance speeds up building, and finished games can be published to iOS, Android and Steam.
Published 2026-08-13 · Links checked 2026-09-06
| ct.js | GDevelop | |
|---|---|---|
| Pricing | Free | Freemium |
| Category | Games | Games |
| Rank in Games | Position #23 of 74 | Position #36 of 74 |
| Alternatives listed | 12 → | 12 → |
| Shared tags | #game-engine #2d #open-source | |
| Unique tags | #javascript | #no-code |
| Platforms | Windows | iOS · Android · macOS · Windows · Linux |
| Source code | github.com/ct-js/ct-js | Not detected on official site (checked 2026-09-16) |
| Documentation | docs.ctjs.rocks/ | Not detected on official site (checked 2026-09-16) |
| In their own words | — | GDevelop is a free, fast, easy, open-source game engine. Learn 2D, 3D or multiplayer game development with our tutorials. Publish everywhere: iOS, Android…— official site (homepage description), checked |
| Official channels | X (Twitter)declared on ctjs.rocks via homepage link with a matching handle | — |
| Official website | ctjs.rocks | gdevelop.io |
| Site preview | ||
Rank = neutral rotation by listing ID, not a quality score · how it works
Only platforms with an official store or installer link are listed; others may exist.
ct.js is Free; GDevelop is Freemium. Both are listed in Games on ToolDock.
What they have in common: #game-engine · #2d · #open-source
ct.js is listed as free; GDevelop is listed as freemium (free tier alongside paid plans). Pricing label set at listing time; official pricing page linked where verified — see each official website for current details.
Both are Games listed on ToolDock, and they share the tags game-engine, 2d, open-source.
ToolDock keeps a tag-matched alternatives list for each: see ct.js alternatives and GDevelop alternatives.