FOSS Tetris clone "Block Attack - Rise of the Blocks" has been updated to version 2.9.1 This update fixes one bug.The code is licensed using GPLv2.0 and was made using SDL. The game can be downloaded from Itch and Github.
The main website for the project is here:
The source code is available on Github:
https://github.com/blockattack/blockattack-game
The Itch page is here:
https://sago008.itch.io/blockattack
The changelog for this update is here:
https://github.com/blockattack/blockattack-game/blob/v2.9.X/CHANGELOG.md