Games like Nanostorm
Games like Nanostorm include Cookie Clicker, Nodebuster, Huntdown, Vampire Survivors, and (the) Gnorp Apologue. We matched them by the tags players give Nanostorm on Steam (Gun Customization, Side Scroller, Incremental, Pixel Graphics, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Idler · Pixel Graphics

Nodebuster
Shared: Incremental · Idler · Strategy

Huntdown
Shared: Side Scroller · Pixel Graphics · Shoot 'Em Up

Vampire Survivors
Shared: Pixel Graphics · Roguelite · 2D

(the) Gnorp Apologue
Shared: Incremental · Idler · Strategy

Bills Must Be Paid
Shared: Incremental · Roguelite · Idler

Broforce
Shared: Pixel Graphics · Side Scroller · Action

Shelldiver
Shared: Incremental · Idler · Arcade

Tower Wizard
Shared: Incremental · Idler · Pixel Graphics

Scritchy Scratchy
Shared: Incremental · Idler · Roguelite

Skul: The Hero Slayer
Shared: Pixel Graphics · Roguelite · Side Scroller

METAL SLUG
Shared: Side Scroller · Shoot 'Em Up · Arcade

Blazing Chrome
Shared: Side Scroller · Pixel Graphics · Shoot 'Em Up

BALL x PIT
Shared: Roguelite · Shoot 'Em Up · Pixel Graphics

Dragon Cliff
Shared: Incremental · Idler · Pixel Graphics

Timber Rush
Shared: Idler · Incremental · Strategy

Click and Conquer
Shared: Incremental · Pixel Graphics · Idler

To The Core
Shared: Incremental · Arcade · 2D

Bit Blaster XL
Shared: Shoot 'Em Up · Shooter · Pixel Graphics

Alex Jones: NWO Wars
Shared: Side Scroller · Shoot 'Em Up · Shooter

Keep on Mining!
Shared: Incremental · Idler · Casual

Timberman
Shared: Pixel Graphics · Incremental · Casual

Talented
Shared: Pixel Graphics · Shoot 'Em Up · Roguelite

METAL SLUG 3
Shared: Side Scroller · Arcade · Shooter