threefold

Threefold is a puzzle game I built around one simple chess idea: pieces should not be able to threaten each other.

The idea came from two places I really like: the quick, addictive board-filling loop of Block Blast, and the logic of the classic 8 queens puzzle. I wanted to make something that feels easy to understand, but still forces you to actually read the board and think.

Each round gives you three chess pieces. You place them one by one on an 8×8 board. A move is only legal if the new piece does not attack, or get attacked by, any piece already on the board. The game does not highlight legal squares for you — you have to figure it out yourself.

When you place three identical pieces, they disappear, you score points, and the board opens up again. But if the board fills up and none of your offered pieces can be placed legally, the game ends.

There is also a streak system: the longer you keep making clean legal moves, the higher your score multiplier grows, from ×1 up to ×2. One illegal tap breaks the streak. You can also collect bonus coins and spend them on hints when you get stuck.

I’m still deciding whether to publish Threefold on the App Store and Google Play. My honest hope is that it can appeal to people who like simple puzzle games, chess logic, and games that are easy to start but hard to play well. is a puzzle game I built around one simple chess idea: pieces should not be able to threaten each other.

The idea came from two places I really like: the quick, addictive board-filling loop of Block Blast, and the logic of the classic 8 queens puzzle. I wanted to make something that feels easy to understand, but still forces you to actually read the board and think.

Each round gives you three chess pieces. You place them one by one on an 8×8 board. A move is only legal if the new piece does not attack, or get attacked by, any piece already on the board. The game does not highlight legal squares for you — you have to figure it out yourself.

When you place three identical pieces, they disappear, you score points, and the board opens up again. But if the board fills up and none of your offered pieces can be placed legally, the game ends.

There is also a streak system: the longer you keep making clean legal moves, the higher your score multiplier grows, from ×1 up to ×2. One illegal tap breaks the streak. You can also collect bonus coins and spend them on hints when you get stuck.

I’m still deciding whether to publish Threefold on the App Store and Google Play. My honest hope is that it can appeal to people who like simple puzzle games, chess logic, and games that are easy to start but hard to play well.