Game Design
A Guide to Collecting and Power-Up Systems
Collectibles are level design in disguise. Here is what each kind is actually doing.
Collection Arcade
Fish Collector is a timed collection game. Move the cat left and right to catch falling fish, chain them for a multiplier and dodge the crabs. One minute, one basket, one route to optimise.
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Press Start Game to play.
Fish Collector is a timed game rather than a survival game, and that changes how you should play it. You cannot die. Touching a crab does not end the round; it resets your combo multiplier. The clock is your only real opponent, and every decision comes down to whether a given fish is worth the seconds it costs to reach.
Fish fall from the top of the pond at varying speeds and horizontal positions. Ordinary fish are worth ten points. Golden fish, which appear roughly every fifteen seconds, are worth fifty and add two seconds to the clock. Crabs drift down at a slower, more predictable rate and are the only thing you need to avoid.
The combo multiplier is the heart of the scoring. Every fish you catch without dropping one raises the multiplier, capped at five. A single missed fish - one that reaches the bottom of the pond untouched - does not break the combo, but touching a crab resets it to one immediately. This asymmetry is intentional: it makes 'let that one go' a genuine strategy rather than a failure.
A round lasts sixty seconds. On a good round you will catch somewhere between forty and sixty fish, which means you have roughly one second per decision. Fish Collector is less about reflexes than about routing - the same skill you use deciding which errand to run first.
| Device | Controls |
|---|---|
| Desktop | Left/Right arrows or A/D to move, P to pause |
| Mobile & tablet | Drag anywhere on the canvas, or use the on-screen pads |
| Everywhere | Pause with the Pause button or the P key. Restart at any time with the Restart button. |
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The natural instinct is to chase whatever is lowest on screen. That leads to constant direction reversals and a lot of wasted travel. Instead, look at the two lowest fish and pick a path that catches both - even if it means letting the very lowest one land while you get in position for a better pair.
Between catches, drift back toward the middle. From the centre the furthest fish is half a screen away; from a corner it can be a full screen. That difference is the whole game when you are catching one fish per second.
Missing a fish costs ten points. Touching a crab costs your multiplier, which at level five is worth forty points on your very next catch alone. When a fish is directly behind a crab, let it go.
Crabs fall more slowly than fish and drift sideways on a gentle sine curve. Because they are slow, you can often pass underneath them safely if you commit early. Hesitating is what gets you caught.
In the final ten seconds the combo has little time left to pay off, so the calculation changes: take every fish you can physically reach, including risky ones, because the multiplier you are protecting will expire before it earns anything back.
Not in the usual sense. There are no lives and the crabs do not end your round - they only reset your multiplier. The round ends when the sixty-second timer runs out.
Golden fish add two seconds each. They are the only source of extra time, which is why they are worth going out of your way for.
Five. Once you reach it, the multiplier stays at five until you touch a crab.
The basket. Its collision area is narrower than the cat sprite, so centring matters on fast fish.
You can use the mouse to drag as well, though the arrow keys give more precise stopping. Most desktop players are faster with the keys.
Yes, the best single-round score is kept in your browser and displayed beside the current score.
Game Design
Collectibles are level design in disguise. Here is what each kind is actually doing.
Game Mechanics
A multiplier does not change the obstacles. It changes your relationship to risk, which is a cheaper way to add tension.
Game Mechanics
The arithmetic of whether a coin is worth it, and why the answer is usually no.