Games like I Love Dog
Games like I Love Dog include Little Inferno, Goat Simulator, Scribble It!, There Is No Game: Wrong Dimension, and Garry's Mod. We matched them by the tags players give I Love Dog on Steam (Dogs, Free to Play, Indie, Casual, and Comedy): closest matches first, and among equally close ones the better-known games.

Little Inferno
Shared: Indie · Casual · Funny

Goat Simulator
Shared: Comedy · Funny · Casual

Scribble It!
Shared: Free to Play · Funny · Comedy

There Is No Game: Wrong Dimension
Shared: Indie · Funny · Comedy

Garry's Mod
Shared: Casual · Funny · Singleplayer

Donut County
Shared: Indie · Casual · Funny

There's Poop In My Soup
Shared: Indie · Casual · Funny

Plants vs. Zombies GOTY Edition
Shared: Casual · Singleplayer · Comedy

The Sims™ 4
Shared: Free to Play · Singleplayer · Casual

Montaro
Shared: Casual · Indie · Dogs

The Stanley Parable
Shared: Indie · Comedy · Funny

Where Winds Meet
Shared: Free to Play · Singleplayer · Indie

Poker Night at the Inventory
Shared: Casual · Funny · Comedy

Say No! More
Shared: Indie · Comedy · Funny

MECCHA CHAMELEON
Shared: Casual · Funny · Comedy

Getting Over It with Bennett Foddy
Shared: Singleplayer · Indie · Funny

Jazzpunk: Director's Cut
Shared: Indie · Comedy · Funny

Thank Goodness You're Here!
Shared: Comedy · Funny · Casual

Oh...Sir!! The Insult Simulator
Shared: Indie · Comedy · Funny

Golf With Your Friends
Shared: Casual · Indie · Funny

The Henry Stickmin Collection
Shared: Funny · Comedy · Singleplayer

Two Point Hospital
Shared: Funny · Indie · Singleplayer

Granny Simulator
Shared: Indie · Funny · Comedy

Gang Beasts
Shared: Funny · Casual · Indie