Roblu Arcade

Reaction minigame

Whack-a-Blob

Whack the blobs as they pop up — miss none.

▶ Play Whack-a-Blob — free, no install

Free · plays in the browser on phone or desktop · no account

A field of holes, and things keep popping out of them. Blobs are fair game — tap them before they duck back down and rack up your count toward the round’s quota.

But Roblus pop up too, and tapping a friendly robot ends the round instantly. On Hard, almost every second pop is a robot and the visibility window shrinks to a blink, so the real test isn’t speed — it’s target discipline.

How to play

  1. Tap blobs while they’re up — rising and fully-out blobs both count.
  2. Never tap a Roblu; one wrong tap ends the round immediately.
  3. Reach the quota shown in the HUD before the 12 seconds expire.

Modes & difficulty

Easy is six holes, slow pops, one in five being a robot, quota of four. Medium grows to nine holes and a quota of six. Hard keeps nine holes but makes 42% of pops robots with a 0.62-second window — which is why its quota is actually lower than Medium’s. Reaching the quota early doesn’t end the round; keep whacking for the margin.

One tip

Identify first, tap second — the blob silhouette is rounder and darker than Roblu’s white shell, and a skipped uncertain pop costs you nothing while a wrong tap costs everything.

More games

Tap Tap · Plasma Cut — or browse all minigames.

▶ Play Whack-a-Blob — free, no install