Based on our record, Cataclysm: Dark Days Ahead seems to be a lot more popular than Portal. While we know about 83 links to Cataclysm: Dark Days Ahead, we've tracked only 1 mention of Portal. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
There's nothing to buy, it's free and already included with Portal 2. Source: almost 3 years ago
That said, I recommend Cataclysm: Dark Days Ahead, which offers something like this. Source: 7 months ago
It can be accessed at : https://cdda.social/ (You can also see it linked at https://cataclysmdda.org/, under "Project Managed Resources"). Source: about 1 year ago
Dwarf Fortress Adventure mode, Cataclysm: Dark Days Ahead, and UnReal World have many of the same sandbox and mechanical elements. Source: about 1 year ago
The link to the main page is https://cataclysmdda.org/. Source: about 1 year ago
So for some reason the installer on cataclysmdda.org isn't working for me. So I figured I'd try another way and install it via Homebrew, but I get an error:. Source: about 1 year ago
Antichamber - "A game with half of the attention to detail and imagination Antichamber has would be a smash hit - this bare-bones first-person puzzler is one of the most thought-provoking, engaging, and challenging video games ever developed.
Shattered Pixel Dungeon - A Roguelike RPG, with randomly generated levels, items, enemies, and traps!
Quantum Conundrum - Quantum Conundrum is a First-person Perspective game with strong Sci-fi, Puzzle-Platform, and Single-player elements published by Square Enix and developed by Airtight Games.
Dungeon Crawl Stone Soup - Dungeon Crawl Stone Soup is an open-source, single-player, role-playing roguelike game of...
Mari0 - What happens when you mash Super Mario Bros. and Portal together?
Pixel Dungeon - Pixel Dungeon is a traditional roguelike game with pixel-art graphics and simple interface.