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Screenshots

  • Mech Merge: Tower Defense screenshot 1
  • Mech Merge: Tower Defense screenshot 2
  • Mech Merge: Tower Defense screenshot 3
  • Mech Merge: Tower Defense screenshot 4

About Mech Merge: Tower Defense

Drag one robot onto another. FUSE them. Watch the swarm burn. Mech Merge is a tower defense where every tower is a war machine you build yourself. Drop combat frames on the pads, merge any two into something bigger, and hold the gate of the last human base on Kharon-4 against an alien brood that never stops coming. FUSE ANYTHING - 7 weapon systems: laser, rockets, flamer, cryo, plasma blade, shield, claw - 21 unique fusions with their own mechanics: homing beams, napalm barrages, walls of ice, a claw that hurls bugs back down the road - Keep fusing up to tier 6 and beyond, from Common to Mythic A BATTLEFIELD THAT FIGHTS BACK - Runners, wasps, spitters, stalkers, siege beasts and towering bosses with cinematic entrances - Broods that dig up inside your lines, second nests on your flank, thunderstorms whose lightning hits the field - Volatile crystals, fuel cells and rock spires: almost everything breaks COMMAND THE FIGHT - Call an orbital lance or a carpet bombing run by drawing the strike line yourself - Harvesters, surges, last-stand perimeter guns, 2x speed BUILD YOUR BASE - Supply drops, a rarity ladder for every frame, permanent research - Daily orders, a daily operation with a twist, a refinery that works while you are away - Five sectors, from a dawn landing to a two-front war in the Dust Sea Made for one hand and short sessions. No ads in this version.

What’s new

Version 1.1 · Updated September 25, 2026

Now in Spanish, Russian and French - the whole game, not just the menus. NEW IN THIS UPDATE - Four languages, picked up from your device and switchable in Settings - Three new bosses: the Tunneler comes up through the road, the Carrier sheds wasps, the Broodmother hides behind her clutch - Map hazards that make a sector a place: geysers that scald the swarm, falling debris, spore blooms you burn out with a tap - An 8th sector layout, reworked early pacing and a rebalanced economy FIXED - A run could freeze after a wave instead of paying out its supply drop. Fixed, and covered by tests so it stays fixed. - Refusals now tell you what you are short of, where you tapped, instead of a line you could miss - The fusion lesson shows the gesture again if you stop fusing, rather than only describing it

Play today's Threadline puzzle

Draw one line through every cell, visiting the numbers in order. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.

More Threadline and other daily puzzles on Fiplay →

App privacy

The developer, Sergey Bragilevskiy, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Purchases: Purchase History
  • Identifiers: Device ID

Used for: App Functionality

Alternatives to Mech Merge: Tower Defense

Looking for apps like Mech Merge: Tower Defense? Here are 6 similar apps on the App Store. The highest rated is Lanefall: Line Tower Defense (5.0/5), and all 6 are free to download.

Mech Merge: Tower Defense vs. alternatives
App Rating Price Last updated Compare
Mech Merge: Tower Defense – Free September 25, 2026
Merge Cats Defender: TD – Free Aug 3, 2026 Compare
Lanefall: Line Tower Defense 5.0 / 5 (3) Free Oct 17, 2026 Compare
Timber Frenzy: Base Defense 5.0 / 5 (10) Free Oct 10, 2026 Compare
Fig It! 5.0 / 5 (5) Free Oct 21, 2026 Compare
DEAD MILE: Zombie Survival 4.7 / 5 (10) Free Oct 26, 2026 Compare
Mayhem: Alien Worlds 1.0 / 5 (1) Free Jul 24, 2025 Compare

Compare Mech Merge: Tower Defense with the top alternatives: ratings, updates, ASO score and keyword gaps →