Games like Pico Pico Dungeon!
Games like Pico Pico Dungeon! include Into the Breach, Stoneshard, Low Magic Age, The Last Spell, and Dungeon of the ENDLESS™. We matched them by the tags players give Pico Pico Dungeon! on Steam (Grid-Based Movement, Turn-Based, Casual, Puzzle, and Tower Defense): closest matches first, and among equally close ones the better-known games.

Into the Breach
Shared: Turn-Based Strategy · Turn-Based · Turn-Based Tactics

Stoneshard
Shared: Turn-Based · Roguelike · Pixel Graphics

Low Magic Age
Shared: Turn-Based · Grid-Based Movement · Turn-Based Tactics

The Last Spell
Shared: Turn-Based Strategy · Turn-Based · Turn-Based Tactics

Dungeon of the ENDLESS™
Shared: Tower Defense · Roguelike · Dungeon Crawler

Slice & Dice
Shared: Casual · Dungeon Crawler · Turn-Based Strategy

Darkest Dungeon®
Shared: Dungeon Crawler · Turn-Based · Roguelike

Balatro
Shared: Roguelike · Turn-Based · Casual

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Casual · Strategy

Darkest Dungeon® II
Shared: Turn-Based Tactics · Dungeon Crawler · Turn-Based

Sol Cesto
Shared: Dungeon Crawler · Puzzle · Roguelike

Tactical Breach Wizards
Shared: Puzzle · Turn-Based · Turn-Based Tactics

Dorfromantik
Shared: Puzzle · Casual · Turn-Based Strategy

Desktop Dungeons
Shared: Turn-Based · Puzzle · Roguelike

Shogun Showdown
Shared: Turn-Based · Roguelike · Turn-Based Strategy

The Dungeon Of Naheulbeuk: The Amulet Of Chaos
Shared: Turn-Based · Turn-Based Tactics · Turn-Based Strategy

Slay the Spire
Shared: Turn-Based · Roguelike · Dungeon Crawler

Dungeonmans
Shared: Grid-Based Movement · Turn-Based · Roguelike

Across the Obelisk
Shared: Casual · Turn-Based Strategy · Roguelike

Tangledeep
Shared: Turn-Based · Turn-Based Tactics · Dungeon Crawler

TROUBLESHOOTER: Abandoned Children
Shared: Turn-Based · Turn-Based Tactics · Turn-Based Strategy

Vampire Survivors
Shared: Casual · Pixel Graphics · Roguelike

Hero's Hour
Shared: Turn-Based · Pixel Graphics · Turn-Based Strategy

Tales of Maj'Eyal
Shared: Turn-Based · Dungeon Crawler · Roguelike