Games like Skyland Defense
Games like Skyland Defense include Bloons TD 6, Legion TD 2 - Multiplayer Tower Defense, Orcs Must Die! 2, Orcs Must Die! 3, and Dungeon Defenders. We matched them by the tags players give Skyland Defense on Steam (Early Access, Strategy, Indie, Tower Defense, and Online Co-Op): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Tower Defense · Multiplayer

Legion TD 2 - Multiplayer Tower Defense
Shared: Strategy · Tower Defense · Multiplayer

Orcs Must Die! 2
Shared: Strategy · Tower Defense · Indie

Orcs Must Die! 3
Shared: Strategy · Tower Defense · Co-op

Dungeon Defenders
Shared: Strategy · Tower Defense · Online Co-Op

Phasmophobia
Shared: Online Co-Op · VR · Multiplayer

PUBG: BATTLEGROUNDS
Shared: Multiplayer · Online Co-Op · Strategy

ShellShock Live
Shared: Strategy · Multiplayer · Early Access

Bloons TD 5
Shared: Strategy · Tower Defense · Co-op

Witch It
Shared: Indie · Multiplayer · Online Co-Op

Liars Bar
Shared: Multiplayer · Indie · Online Co-Op

Sanctum 2
Shared: Strategy · Tower Defense · Indie

How to Fish
Shared: Indie · Online Co-Op · Multiplayer

Plague Inc: Evolved
Shared: Strategy · Indie · Multiplayer

Bodycam
Shared: Multiplayer · Tactical · VR

Who's Your Daddy?!
Shared: Strategy · Multiplayer · Online Co-Op

Dungeon Defenders: Awakened
Shared: Strategy · Online Co-Op · Multiplayer

Slay the Spire 2
Shared: Strategy · Co-op · Indie

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

The Riftbreaker
Shared: Online Co-Op · Tower Defense · Multiplayer

Warstone TD
Shared: Strategy · Indie · Tower Defense

PAYDAY 2
Shared: Co-op · Multiplayer · Online Co-Op

Overcooked! 2
Shared: Multiplayer · Online Co-Op · Co-op

Company of Heroes 2
Shared: Strategy · Multiplayer · Tactical