FEDIDEVS

0 A.D. is a free and open-source, historical Real Time Strategy game, focused on the period from 500 B.C. to 1 B.C., under development by Wildfire Games. It's cross-platform, playable on Windows, macOS, FreeBSD, Linux, and OpenBSD. Choose from 13 different civilizations, a multitude of maps, game modes, single player or multiplayer.

Official Veloren account
Veloren is a multiplayer voxel RPG written in #Rust. It is inspired by games such as Cube World, Legend of Zelda: Breath of the Wild, Dwarf Fortress and Minecraft.
Veloren is fully open-source, licensed under GPL 3. It uses original graphics, music and assets created by its community. Being contributor-driven, its development community and user community is one and the same: developers, players, artists and musicians come together to develop the game.

Official Battle for Wesnoth Mastodon feed. Check our site's status at https://status.wesnoth.org.

Speed Dreams is an Open Source Motorsport Simulator featuring high-quality 3D graphics and an accurate physics engine, all targeting maximum realism.

OpenTTD is a free and open source transport simulation game.

This account is unofficial but developer-run.

Official account for the SuperTux Project.

If you've made or are currently making any addons or fan content, toot about it with #supertux and it will be boosted!

Simutrans is an open-source transportation simulator available for Linux, macOS, Windows and Android. Your goal is to establish a successful transport company by building a transport network you always dreamed of.

Brought to you by the Simutrans Team, an international team of volunteers.

Open source game inspired by Minecraft