ZONA75 — Capture the zone. Rule the leaderboard.

ZONA75 is the classic sphere-fencing game (JezzBall style, 1992) rebuilt for 2026. Draw energy barriers and capture 75% of the arena without letting the plasma spheres destroy your walls. Level up, chain combos and carve your name into the online leaderboard. It is free, runs right in the browser and needs no install.

How to play

Fence the arena: Draw energy barriers that split the space. Any closed region without a sphere is captured.
Reach 75%: When the captured area hits 75%, the chamber is sealed and you advance a level — more spheres, less time.
Mind your cores: A sphere that hits a barrier still under construction costs a core. Out of cores, the run ends.

Game modes

Classic: Random chamber, unlimited tries. Feeds the All-time and Weekly rankings — the practice and personal-best mode.
Daily Challenge: The same chamber for every player, one try per day. Its own ranking that resets at midnight (Brasília time).
Anchor Mode: An arm that reaches an already-fixed wall locks instantly and becomes a permanent barrier. It has its own ranking.

See the full how-to-play guide →