Games like Caterpilla (Spectrum/VIC-20)
Games like Caterpilla (Spectrum/VIC-20) include Planes, Bullets and Vodka, METAL SLUG, Huntdown, METAL SLUG X, and Warhammer 40,000: Boltgun. We matched them by the tags players give Caterpilla (Spectrum/VIC-20) on Steam (Retro, Action, Shoot 'Em Up, Shooter, and Arcade): closest matches first, and among equally close ones the better-known games.

Planes, Bullets and Vodka
Shared: Action · Retro · Shoot 'Em Up

METAL SLUG
Shared: Action · Arcade · Retro

Huntdown
Shared: Action · Shooter · Shoot 'Em Up

METAL SLUG X
Shared: Action · Arcade · Retro

Warhammer 40,000: Boltgun
Shared: Retro · Action · Shooter

METAL SLUG 3
Shared: Action · Arcade · Retro

ARCADE GAME SERIES: GALAGA
Shared: Action · Retro · Shoot 'Em Up

LUFTRAUSERS
Shared: Action · Arcade · Shoot 'Em Up

Hotline Miami
Shared: Action · Retro · Pixel Graphics

Blazing Chrome
Shared: Retro · Action · Shoot 'Em Up

Broforce
Shared: Action · 2D · Pixel Graphics

UFO 50
Shared: Retro · Action · Pixel Graphics

METAL SLUG 2
Shared: Action · Arcade · Retro

Hotline Miami 2: Wrong Number
Shared: Action · Retro · Pixel Graphics

ZeroRanger
Shared: Shoot 'Em Up · Action · Retro

BALL x PIT
Shared: Action · Arcade · Shoot 'Em Up

Bit Blaster XL
Shared: Shoot 'Em Up · Shooter · Arcade

Contra Anniversary Collection
Shared: Action · Retro · 2D

DRAINUS
Shared: Action · Shoot 'Em Up · Shooter

Cyberhunt
Shared: Action · Shoot 'Em Up · Arcade

Alex Jones: NWO Wars
Shared: Action · Shooter · Arcade

Shovel Knight: Treasure Trove
Shared: Retro · Action · Pixel Graphics

METAL SLUG XX
Shared: Action · Retro · Shooter

Guns of Fury
Shared: Retro · Shooter · Shoot 'Em Up