Games like Really Dog
Games like Really Dog include Castle Crashers®, Say No! More, Iron Snout, Passpartout: The Starving Artist, and Kingdom Rush - Tower Defense. We matched them by the tags players give Really Dog on Steam (Casual, Action, Singleplayer, Dogs, and Satire): closest matches first, and among equally close ones the better-known games.

Castle Crashers®
Shared: Beat 'em up · 2D · Hack and Slash

Say No! More
Shared: Casual · Singleplayer · Cute

Iron Snout
Shared: Action · Singleplayer · Cartoon

Passpartout: The Starving Artist
Shared: Casual · Singleplayer · Cartoon

Kingdom Rush - Tower Defense
Shared: Singleplayer · Casual · Action

Muse Dash
Shared: Casual · Cute · Singleplayer

Have a Nice Death
Shared: Singleplayer · Action · Hack and Slash

Slime Rancher
Shared: Singleplayer · Cute · Casual

DJMAX RESPECT V
Shared: Casual · Action · Singleplayer

CHUCHEL
Shared: Casual · Cartoon · Cute

Montaro
Shared: Casual · Cute · Dogs

Cat Quest
Shared: Action · Cute · Singleplayer

One Finger Death Punch
Shared: Action · Singleplayer · Beat 'em up

Trombone Champ
Shared: Casual · Cute · Singleplayer

DR LIVESEY ROM AND DEATH EDITION
Shared: Action · Cartoon · Singleplayer

Planes, Bullets and Vodka
Shared: Casual · Action · Singleplayer

Banana
Shared: Singleplayer · Casual · 2D

South Park™: The Stick of Truth™
Shared: Singleplayer · Action · Satire

Cat Goes Fishing
Shared: Casual · Cute · Singleplayer

Gang Beasts
Shared: Action · Casual · Singleplayer

Timberman
Shared: Casual · Action · Singleplayer

Cuphead
Shared: Cartoon · 2D · Action

The WereCleaner
Shared: Casual · Cute · Singleplayer

Gensokyo Night Festival
Shared: Action · Casual · Cute