Mine2244's Stars
RhenaudTheLukark/CreateYourFrisk
Rhenaud The Lukark's Unitale fork
lvk/Unitale
Lua moddable Undertale engine in Unity 5.
FWGS/xash3d-fwgs
Xash3D FWGS engine.
FWGS/hlsdk-portable
Portable Half-Life SDK. GoldSource and Xash3D. Crossplatform.
FWGS/xash3d-android-project
Xash3D Android Project for NDK.
FWGS/xash3d
DEPRECATED in favor of https://github.com/FWGS/xash3d-fwgs. Only bugfixes are accepted.
crumblingstatue/FloweysTimeMachine
Undertale SAVE editor
aarcangeli/Serious-Sam-Android
Porting of Serious Sam: The Second Encounter for android