Abandonware puzzle games

The Incredible Machine (part of The Incredible Machine series) is a single-player peculiar DOS physics-puzzle game developed by Jeff Tunnell Productions and published by Sierra On-Line in 1993. The goal of the game is to build strange complicated contraptions using the few pieces at your disposal. When you feel pretty sure that your contraptio...

The Incredible Toon Machine is a puzzle video game developed by Jeff Tunnell Productions and published by Sierra On-Line in 1994. It serves as the successor to the game Sid & Al's Incredible Toons and is part of the The Incredible Machine series. The game tasks players with solving puzzles by assembling Rube Goldberg-style contraptions. Ea...

Weird Dreams is an abandoned action - puzzle game developed and released by Rainbird Software in 1988 for DOS, but also published for Amiga, Atari ST, Commodore 64. Weird Dreams is a surreal action game in which you have to take part in absurd activities in order to progress to the next level.

Welltris is a puzzle video game designed by Alexey Pajitnov, the creator of Tetris. Released in 1989, Welltris offers a fresh take on the block-dropping mechanics of Tetris, expanding the gameplay into a 3D environment. Similar to Tetris, geometric pieces fall into the well. However, instead of stacking vertically, the blocks slide down the wa...