Games and puzzles that respect your time but stick with you.
Playcebo games minimize randomness and grinding, and try to offer something unique. None of these games will have ads or repeated microtransactions.
Projects labeled [EDU] are educational... and designed to be challenging and interesting for both kids and adults.
Factor Crafter (beta) [EDU] [First half free] Explains math concepts from prime numbers to logarithms!
10 Puzzles [Free] A print-and-play puzzle fest for families, friends, couples, or parties.
Multiples Bingo [EDU] [Free] A strategic, mathematical twist on bingo, for ages 7+. Print and play various styles of bingo boards, or try a variety of puzzles ranging from easy to mind-bending.
Oligopoly [EDU] [Free] Print-and-play Monopoly-like game, with more realistic economics and cutthroat haggling. (Also quicker pieces, shorter rules, no player elimination...)
Math Ladder Cave [EDU] For kids as young as 5, a friendly, intuitive introduction to addition and subtraction. For teens and adults, a fun puzzle game featuring mazes and negative numbers.
A Probable Quest [EDU-ish] An RPG where possibilities become realities... all of them 0_O