Sanctum 2: Road to Elysion

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

Play as the mysterious new character TSYGAN, a rogue insurgent that joins the Core Guardians in defending the only enclave of humanity left on the planet LOEK III. Road to Elysion features a new area to explore with four new maps, new unlockable towers, weapons and perks!

Key Features:

New Playable Character - TSYGAN, the “Rogue Insurgent”
4 New Unique Maps – adding refreshing new tactics and replayability.
2 Weapons - Rapid-firing Gatling Laser & TSYGANs own handheld Ballista!
2 Towers - Range Spire that dramatically increases the range of nearby offensive towers and the Slow Field Dispenser letting you strengthen your choke points further!
Enhanced Enemies - From new support monsters that heal and mutate the attacking horde to a brand new aerial enemy boss, players should be prepared for this heightened challenge.
Additional Perks – Customize your character even more with six new perks, including a perk that gives you an in-game pet robot that will fight for you!