Lemris

TetriNET is a multiplayer online Tetris game for up to six people, developed by St0rmCat in 1997 that supports team play. The last official version is 1.13. The game was originally developed for Windows and was later ported to other systems. St0rmCat released TetriNET 2 in 2000, which features improved graphics, more types of special blocks, additional features (such as hold piece and block shadows), and a master server.

BFDI Blast! A fun block puzzle game for the brilliant minds... Do you have a brilliant mind? Download and play BFDI Blast for free! BFDI Blast is a game where you place blocky BFDI characters onto a grid, and try to create a line to clear the BFDI characters. Instead of clearing lines, the game clears whole blocks for you! It may seem simple... but it's more challenging than you think! Think it's easy? Think again!

Doujin Tetris TGM by Mihys

A Paper Mario -themed puzzle game. Can you reach the target score before the time runs out? Use items and partners to score more points.

BFDI Pop is a game that tests your abilities in aiming and thinking... Drag the spike ball back, choose the perfect amount of power, and release! Will it pop all the balloons, or will it fling off to space or get impaled!?

UFO 50 Nonograms is an unofficial fangame of Mossmouth's UFO 50. If you enjoy Nonograms and UFO 50, this game is quite literally made for you. After a crash-landing on Zoldath, you must repair the Campanella by solving Nonogram puzzles. UFO 50 Nonograms is also an incremental game. As you solve puzzles, you will collect resources which will allow you help out others and craft upgrades.