Solar2D
Solar2D: A focused Lua engine for fast iteration and cross-platform 2D deployment. Ranked #24 of 91 in Game Engine Software by our editors (7.2/10); pricing: Free plan; best for lua developers prioritizing fast iteration.
At a glance
- Editor score7.2 / 10
- PricingFree plan
- Best forLua developers prioritizing fast iteration
- Free planYes
- Paid fromNone
- Source code modelOpen_source
- Facts checked24 Sep 2026
Where it wins
- Free, open-source engine with no fees, charges, or royalties
- Instant-update simulator and live device builds support quick iteration
- Deploy across mobile, desktop, connected-TV, and HTML5 environments
Where it doesn't
- Lua-based development may not suit teams seeking other scripting languages
- Focused on 2D game and application development
- Traditional console export is outside the documented target platforms
Our verdict on Solar2D
Solar2D is a free, open-source 2D game engine for developers building games and applications with Lua. Its workflow centers on an instant-update simulator, live builds for testing on devices, and a single codebase that can target mobile, desktop, connected-TV, and HTML5 environments. The engine also provides more than 1,000 documented APIs, making it a fit for Lua developers who value rapid iteration while still needing access to broader engine functionality.
The main cost advantage is straightforward: the published Free plan has no hidden fees, charges, or royalties, and the project is open source. Solar2D’s ecosystem includes the Free Plugin Directory, Solar2D Native, Google Play Games Services, and Apple Game Center. Plugins extend engine functionality, while Solar2D Native supports integration with native C, C++, Objective-C, and Java libraries. Networking and multiplayer integrations are also part of the feature set, giving teams options beyond offline gameplay. These capabilities make the engine suitable for projects that need mobile services, native APIs, or multiplayer integrations without moving away from Lua.
Solar2D’s strongest fit is a focused 2D project where fast code-to-device feedback and broad deployment matter more than visual scripting or traditional console export. Its documented platforms include iOS, tvOS, Android, Android TV, macOS, Windows, Linux, HTML5, and Kindle Fire. Teams comfortable with Lua can use the simulator, live builds, plugins, and native integration as a practical development path across those targets. Teams seeking a different scripting model, visual scripting, or traditional console export should choose an engine aligned with those requirements instead.
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Solar2D pricing
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Solar2D fact sheet
| Free plan | Yes |
|---|---|
| Paid from | None |
| Source code model | Open_source |
| Visual scripting | Not verified |
| Multiplayer tools | Yes |
| Mobile export | Yes |
| Console export | Not verified |
| Target platforms | iOS, tvOS, Android, Android TV, macOS, Windows, Linux, HTML5 |
| Scripting languages | Lua |
| Deployment | Desktop |
| Platforms | Windows, macOS, Linux |
| Support | Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 11 integrations: AdColony, AdMob, AppLovin Max, Appodeal, Apple Game Center, Google Play Games Services … |
| Pricing | Free plan (source) |
| Website | solar2d.com |
| Facts checked | 24 Sep 2026 |
Solar2D integrations
Solar2D lists 11 integrations on its own site.
- AdColony
- AdMob
- AppLovin Max
- Appodeal
- Apple Game Center
- Google Play Games Services
- Photon
- Steamworks
- Apple IAP
- Google IAP
- Amazon IAP
Alternatives to Solar2D
- Godot EngineA flexible open-source engine for 2D, 3D, multiplayer, and XR projects.9.2
- PlayCanvasA capable web-first engine for collaborative 2D and 3D game development.9.0
- GameMakerA focused 2D engine with free non-commercial access and wide export coverage.8.9
See all Solar2D alternatives →
Also Ranked In
Solar2D is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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