Games like Hexguardian
Games like Hexguardian include Rogue Tower, Tower Dominion, The King is Watching, Bloons TD 6, and Emberward. We matched them by the tags players give Hexguardian on Steam (Tower Defense, Cartoony, Roguelite, Roguelike, and Strategy): closest matches first, and among equally close ones the better-known games.

Rogue Tower
Shared: Tower Defense · Roguelike · Strategy

Tower Dominion
Shared: Tower Defense · Strategy · Roguelike

The King is Watching
Shared: Tower Defense · Roguelike · Strategy

Bloons TD 6
Shared: Tower Defense · Strategy · Cartoony

Emberward
Shared: Tower Defense · Roguelite · Strategy

Wall World
Shared: Roguelite · Tower Defense · Roguelike

Nordhold
Shared: Tower Defense · Roguelite · Strategy

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

Age of Darkness: Final Stand
Shared: Tower Defense · Strategy · RTS

Cluckmech Oasis
Shared: Tower Defense · Roguelike · Strategy

Tower Factory
Shared: Tower Defense · Roguelite · Strategy

Thronefall
Shared: Tower Defense · Strategy · 3D

FTL: Faster Than Light
Shared: Roguelike · Strategy · Procedural Generation

Tabletop Tavern
Shared: Roguelike · Strategy · Roguelite

Dungeon of the ENDLESS™
Shared: Tower Defense · Roguelike · Strategy

Kingdom Rush Origins - Tower Defense
Shared: Tower Defense · Strategy · Cartoony

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

CloverPit
Shared: Roguelite · Roguelike · Strategy

Tangy TD
Shared: Tower Defense · Strategy · Roguelike

Loop Hero
Shared: Roguelike · Roguelite · Tactical

Yokai Art: Night Parade of One Hundred Demons
Shared: Tower Defense · Roguelite · Strategy

Isle of Arrows
Shared: Tower Defense · Roguelike · Strategy

The Last Flame
Shared: Roguelike · Strategy · Hex Grid

Drill Core
Shared: Tower Defense · Roguelite · Strategy