Games like Quinidiom
Games like Quinidiom include Bloons TD 6, Plants vs. Zombies GOTY Edition, Chinatris, Scribblenauts Unlimited, and Dorfromantik. We matched them by the tags players give Quinidiom on Steam (Strategy, Word Game, Casual, Spelling, and Puzzle): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Casual · Family Friendly

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · Family Friendly

Chinatris
Shared: Word Game · Casual · Spelling

Scribblenauts Unlimited
Shared: Casual · Puzzle · Family Friendly

Dorfromantik
Shared: Puzzle · Casual · Strategy

Mini Motorways
Shared: Strategy · Casual · Puzzle

SpaceEngine
Shared: Casual · 3D · Space

Pronoun Palace
Shared: Word Game · Spelling · Casual

Bejeweled® 3
Shared: Casual · Strategy · Puzzle

Monument Valley 2
Shared: Strategy · Casual · Puzzle

Peggle Deluxe
Shared: Casual · Puzzle · Family Friendly

Terra Nil
Shared: Strategy · Puzzle · Casual

Moncage
Shared: Casual · Puzzle · Strategy

ISLANDERS
Shared: Strategy · Puzzle · Casual

Rocksmith® 2014 Edition REMASTERED LEARN & PLAY
Shared: Casual · Rhythm · Education

Waveform
Shared: Casual · Puzzle · Strategy

Monument Valley
Shared: Puzzle · Casual · Strategy

Influent Language Learning Game
Shared: Family Friendly · Education · Word Game

Stellaris
Shared: Strategy · Space · Sci-fi

Hardspace: Shipbreaker
Shared: Puzzle · Strategy · Space

Zuma Deluxe
Shared: Strategy · Puzzle · Casual

Just Go
Shared: Strategy · Casual · Puzzle

Mini Metro
Shared: Strategy · Puzzle · Casual

The Artisan of Glimmith
Shared: Strategy · Puzzle · Casual