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Sphere TDNews0.15.11 - Day 1 Patch
Game update

0.15.11 - Day 1 Patch

Sphere TD · published 25 Jun 2026, 17:46 UTC

All newsPlayers around this dateRead on Steam

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 tower drops Nu (Nebulite)
Base drop is 1 Nu, scaling with tower resource quantity and rarity
No Nu drops if the megaboss reaches the base or dies without a tower kill

INCENDIARY - WILDFIRE (Perk 2) (Reworked)
Wildfire now always spreads on death instead of using a chance roll
Spreads half of the target's existing incendiary to nearby enemies within 1m
Spread strength scales with afx damage, up to full strength at 100% afx
Multiple Wildfire mods do not stack

Bug fixes & small features
Auto sphere clusters now start on Wave 2 instead of Loop 2 in standard world maps
Max simultaneous (invasion) auto-cluster groups now scale by +1 every 20 loops, up to 5
Slow, stun, and cloak now affect Wall, Box, and cluster invasion movement
Wall invasion max depth reduced to 16 rows
Damage numbers scales with sphere size
Immune spheres no longer show slow/incendiary tint
Property panel tower damage range now shows 1 decimal place
Projectile pool doubled from 500 to 1000
Reduced scaling of Au objective rewards in world maps
Leaderboard footer now matches your visible row rank and shows "pending sync" when backend rank has not caught up
Increase all achievement rewards by +1% global resource quantity

Note: Steam Demo will no longer be supported, and will be limited to Core 2025 Map 30 on the 30th June.

More from Sphere TD

Other announcements

All news
Game update9 Sep 20260.17.5- Updated tutorial descriptions and minor UI fixesGame update1 Sep 20260.17.4- Tower tab UI: You can now drag a tower onto an occupied slot in your deployment list to swap it with the tower already there. - Explore Mode Off on Endless and World Map now maintains the path TD experience. Chaser spheres will not spawn while the initial Breach zone is active. - Explore Mode On now lets chaser spheres spawn from the start. Difficulty scales with Threat. - Fixed an issue that…Game update29 Aug 20260.17.3- Core 2025 maps are now arena-locked with no Explore Mode - Core 2025 leaderboard reverted back to spheres destroyed - Fixed objective progress after Breach failures - Base unlock moved to Map 10, ModCards to Map 25 - Orbit Sentry now receives full Base Stats - Orbit Sentry now upgrades between 1 to 4 tiers - Reduced Base XP requirements