0.15.11 - Day 1 Patch — Sphere TD Steam update #80820

0.15.11 - Day 1 Patch MEGABOSS INVASION (New - Loop 5+) Megaboss invasions can now appear as a special invasion event alongside Wall and Box invasions...

Steam App
Sphere TD (4586760)
Event type
patch note
Published
25 June 2026 - 15:46:27 UTC
Source
steam_community_announcements
0.15.11 - Day 1 Patch MEGABOSS INVASION (New - Loop 5+) Megaboss invasions can now appear as a special invasion event alongside Wall and Box invasions. The Megaboss Massive enemy, much larger and tougher than a normal boss 6 types: Bulwark, Aegis, Behemoth, Wraith, Anchor, Herald Layers scale up as you survive more loops 80% status resistance No armor, with heavily reduced shield regen Gets stronger the longer you've been on the map Bonus XP on kill Behavior Enters from the map edge, then cycles through different tactics Can block for allies, patrol, lock paths, distract towers, orbit the base, charge, and become enraged at low HP Invasion scaling Loop 5+: Megaboss invasions can start Loop 20+: Invasions can spawn 1-2 megabosses Loop 40+: Invasions can spawn 1-3 megabosses Loop 40+: Regular sphere clusters can keep spawning during a megaboss invasion Rewards Killing a megaboss with a tow...

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