Starvoxel: Merge Defender

Merge. Defend. Evolve - together. Starvoxel: Defender is a chunky co-op tower defense built around one shared base. Play solo with an AI ally or team up online: you hold one lane, your ally holds the other, and every leak hurts the same health pool. Drop defenders, merge matching families into stronger tiers, evolve Legendaries, and hold the line through 60 waves. REAL-TIME CO-OP Team up online with a friend or a matched ally - one shared base, two lanes, total interdependence. Carry your side, or lose together. FIVE DISTINCT BIOMES Master increasingly difficult routes, unlock each battlefield in order, and climb one global leaderboard ranked by difficulty and wave. FRIENDS & PROFILES Add friends by username, see who's online, and pull them straight into co-op. Claim your name, pick an avatar, and level up your account. BUILD YOUR ARSENAL Collect 14 defender families, choose a seven-card loadout, crack open packs, level your cards, and unlock powerful Evolutions. WHAT'S INSIDE - Real-time online co-op tower defense with shared hearts - Five unlockable difficulties and one global leaderboard - Friends list - invite allies to co-op - Merge from Common to Legendary, then Evolutions - 14 defender families and 42 evolutions - Boss-only challenge waves - Solo play with a friendly AI ally - Pack openings and account progression - Short sessions, deep upgrade decisions Free to play. Grab a partner and hold the line.