Games like Rail Walkers
Games like Rail Walkers include Bloons TD 6, Outpost: Infinity Siege, Orcs Must Die! 3, Plants vs. Zombies GOTY Edition, and Orcs Must Die!. We matched them by the tags players give Rail Walkers on Steam (Strategy, On-Rails Shooter, Tower Defense, Arena Shooter, and Robots): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

Outpost: Infinity Siege
Shared: Tower Defense · Robots · 3D

Orcs Must Die! 3
Shared: Strategy · Tower Defense · Third Person

Plants vs. Zombies GOTY Edition
Shared: Strategy · Tower Defense · Singleplayer

Orcs Must Die!
Shared: Strategy · Tower Defense · Third Person

Orcs Must Die! 2
Shared: Tower Defense · Strategy · Third Person

Mechabellum
Shared: Strategy · Robots · Wargame

Starship Troopers: Terran Command
Shared: Strategy · Military · Tower Defense

Wargame: Red Dragon
Shared: Strategy · Military · Wargame

Thronefall
Shared: Strategy · Tower Defense · 3D

ARMORED CORE™ VI FIRES OF RUBICON™
Shared: Robots · Combat · Third Person

Master of Command
Shared: Strategy · Military · Wargame

Age of Empires III: Definitive Edition
Shared: Strategy · Military · Combat

Creeper World 4
Shared: Tower Defense · Strategy · Wargame

Company of Heroes 3
Shared: Strategy · Wargame · Singleplayer

WARNO
Shared: Strategy · Military · Wargame

Taur
Shared: Strategy · Tower Defense · Robots

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · Singleplayer

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

Emberward
Shared: Strategy · Tower Defense · Indie

Broken Arrow
Shared: Strategy · Wargame · Military

Europa Universalis IV
Shared: Strategy · Wargame · Military

Regiments
Shared: Strategy · Wargame · Combat

Foxhole
Shared: Military · Wargame · Strategy