Bitsy Color +
Like the bitsy game editor but wish you could just use all the colors, well...
Arcade Game Studio
Arcade Game Studio is a FREEWARE program for making games with the style and gameplay of the 80's arcade games.
SEEVN 2 – Visual Novel Maker & Player
Make your own VN, dating sim, quiz game without coding, share it and play!
ANTIRUINS Engine
a Lua engine for the Sega Dreamcast and PC
Videotome:ADV
micro ADV engine
Ct.js game engine
Create cool 2D games with a free game maker!
Bevy Engine
A refreshingly simple data-driven game engine built in Rust
EZGameBuilder
A beginner-friendly 3d game engine for old consoles/hardware
Narrat
Narrat is an interactive fiction game engine
Super Videotome (Modded!)
Extending features and adding new tags to Super Videotome
GameBuilder BASIC (GB BASIC)
A retro Fantasy Console that generates ROMs compatible with the popular handheld game console.
Enginsito
It's not a tool, It's not a game, It's a toy.
Dynami Engine
Dynami is a Simple 2D Game Engine scriptable in Python.
Bitmelo
An all-in-one editor for making pixel art games.
Castle Game Engine
Cross-platform (desktop, mobile, console) 3D and 2D game engine. Visual editor. glTF, X3D, Spine. Modern Pascal code.
VNgen - The Next-gen Visual Novel Engine
Easily create dynamic visual novel content and sequenced animations with VNgen by XGASOFT
AdventureBox Maker
Adventure Box Maker you can create and share multiplayer voxel games
AppGameKit for Python
Create games using AppGameKit and Python!
GB BASIC - Alpha
A retro Fantasy Console that generates ROMs compatible with the popular handheld game console.
Capsule VN Engine - a visual novel engine
A modern visual novel engine for storytellers and indie creators.
RCBasic - BASIC Programming Language for Games
Easy to use programming language for game development
Love2D IDE
A simple all-in-one pack IDE for creating Love2D game
BrainF*ck Designer
BF Designer is a powerful IDE to create BrainFuck Programs.
DreamBox
A Y2K-nostalgia-inspired 3D Fantasy Console