diff --git a/docs/gaming.md b/docs/gaming.md
index f43101aa7e36..f09a97d2a46b 100644
--- a/docs/gaming.md
+++ b/docs/gaming.md
@@ -490,6 +490,7 @@
 * [Puzzle Party](https://artsandculture.google.com/experiment/puzzle-party/EwGBPZlIzv0KRw) - Multiplayer Jigsaws
 * [PuzzlePrime](https://www.puzzleprime.com/) - Problems / Puzzles
 * [Game for the Brain](https://www.gamesforthebrain.com/) - Puzzles / Quizzes
+* [Stillgrid](https://stillgrid.app) - Sudoku Variants / Graded Difficulty / Open Source
 * [MasasGames](https://masasgames.com/) - Virtual Escape Rooms
 * [⁠Murdoku](https://murdoku.com/play/) - Weekly Murder Mystery Puzzles / [Discord](https://discord.com/invite/frYbdPpkSH)
 * [Murdle](https://murdle.com/) - Daily Murder Mystery