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Grounded
6/10

Zombie Lane Tap

Drag survivors from your bench onto incoming zombie lanes and watch auto-battles erupt between waves.

Core mechanic

Each wave drags a new hero onto the field to clash with zombies — survivors auto-swing until one line falls.

Controls

Drag heroes from a side tray onto lanes — single-thumb drag-and-drop.

Theme

Undead plague + fantasy heroes, one-hand portrait battlefield — a stripped-down X-Clash for mobile.

Why now

X-Clash hit #17 top free JP and the viral ad hook is 'hero line vs horde' — that exact one-thumb promo clip is what's converting.

Signals · overall 6/10
Hook
6/10

Core 'hero vs zombie horde on a line' hook is validated by X-Clash: Survival Challenge pulling a 4.48 average across ~33K ratings — the format clearly resonates — but it is a familiar lane-defense reskin rather than a fresh trigger.X-Clash rated 4.48/5 from 33K ratings confirms the hero-vs-horde hook convertsReal App Store listing from named publisher 9z Games(HK)

Virality
6/10

The one-thumb drag-and-drop promo-clip format is the proven UA workhorse in hypercasual, and X-Clash's documented JP top-free presence plus same publisher shipping a second 'X-Clash' variant (id6745540063) shows the marketing hook scales into sequels.Second X-Clash variant by same publisher suggests format has viral/UA legsReal top-chart candidate referenced as inspiration

Simplicity
8/10

Drag a hero from a side tray onto one of a few lanes is genuinely one-thumb and teaches itself in the first wave; cognitive load is minimal.X-Clash app description confirms straightforward lane command UX

Monetization
6/10

Hypercasual lane/auto-battle titles monetize cleanly via interstitials between waves and rewarded revives/upgrades — genre is back on an upward download trajectory through 2024-25 — but no unique monetizable loop beyond the standard formula.Hypercasual downloads returning to growth through 2024-2025, supporting ad-monetization baseline

Whitespace
3/10

Market is crowded with near-identical concepts: a long-established 'Zombie Lane' already exists on Android, X-Clash is the named direct comp from the same publisher cluster, and 'Zombie Waves' (drag + auto-attack) occupies adjacent terrain — no clean niche.'Zombie Lane' is already a live Android title — name and theme conflictSame publisher iterating on X-Clash format squeezes whitespace further

X-Clash: サバイバル · #17 top free · JP · 9z Games(HK)App Store · 2026-07-17 (8d ago)