Games like Gundrobe: an Incremental Gun Builder
Games like Gundrobe: an Incremental Gun Builder include Vampire Survivors, Megabonk, Astro Prospector, Cookie Clicker, and Shelldiver. We matched them by the tags players give Gundrobe: an Incremental Gun Builder on Steam (Casual, Incremental, Action, Simulation, and Gun Customization): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Action Roguelike · Casual

Megabonk
Shared: Roguelike · Action Roguelike · Bullet Hell

Astro Prospector
Shared: Incremental · Casual · Roguelike

Cookie Clicker
Shared: Incremental · Casual · Idler

Shelldiver
Shared: Casual · Incremental · Simulation

Nodebuster
Shared: Casual · Incremental · Simulation

Enter the Gungeon
Shared: Bullet Hell · Roguelike · Action Roguelike

Russian Life Simulator
Shared: Incremental · Simulation · Action

Brotato
Shared: Roguelike · Bullet Hell · Action Roguelike

A Game About Feeding A Black Hole
Shared: Casual · Incremental · Simulation

Skul: The Hero Slayer
Shared: Action · Roguelike · Action Roguelike

Noobs Want to Live
Shared: Action · Bullet Hell · Casual

Atomicrops
Shared: Action · Bullet Hell · Roguelike

Click the Button
Shared: Casual · Incremental · Simulation

BALL x PIT
Shared: Action · Bullet Hell · Roguelike

Death Must Die
Shared: Bullet Hell · Action Roguelike · Action

The Binding of Isaac
Shared: Roguelike · Action Roguelike · Action

Chef Knight
Shared: Incremental · Casual · Simulation

Desktop Survivors 98
Shared: Casual · Action · Bullet Hell

Nuclear Throne
Shared: Roguelike · Action · Action Roguelike

Halls of Torment
Shared: Bullet Hell · Action Roguelike · Action

Digseum
Shared: Casual · Incremental · Simulation

Noita
Shared: Roguelike · Action · 2D

Seraph's Last Stand
Shared: Casual · Bullet Hell · Action Roguelike