POOL LOOP Anomaly Guide: How to Spot Every Change

POOL LOOP traps you in an indoor swimming pool that repeats again and again. On each pass you choose between two buttons: RED if something has changed, GREEN if everything looks normal. It sounds easy until the changes become small. This guide explains how to train your eye and make better decisions.

How the Loop Works

Each loop places you in the same pool. Your job is to inspect the room and decide whether it matches the normal version. A correct decision moves you forward, a wrong one sets you back. The game has multiple endings, so how well you observe affects how your run concludes.

Because the room is supposed to look identical every time, the only real tool you have is memory. Everything in this guide comes back to building and using that memory.

Learn the Baseline First

The first loops are the most important, even though they feel easy. Use them to study the room carefully. Look at where the lane ropes sit, how many lights hang from the ceiling, what the signs say, which doors are open and how the water reflects the light. Listen to the background sound as well.

1. Walk the full length of the pool slowly on the first pass.
2. Look up, down and behind you, not only straight ahead.
3. Note small details: signs, tiles, lights and doors.
4. Remember the normal sounds: dripping, humming, echoes.

Players who rush the opening passes usually miss changes later because they never knew what normal looked like.

A Fixed Scanning Route

Checking the room in the same order every time makes changes stand out. Pick a route and stick to it: for example, ceiling lights first, then walls and signs, then the water and lane ropes, then the floor and doors. A consistent route prevents you from forgetting one part of the room on a busy loop.

It also speeds up later loops. Once the route is automatic, your attention can go to noticing details instead of deciding where to look next.

Types of Changes to Expect

Anomalies range from obvious to almost invisible. Some are visual, like a moved object or an extra light. Others involve sound, such as a splash or a voice where there should be silence. Some only affect timing, like a light that flickers a little too long.

• Objects that move, appear or disappear.
• Changes in lighting or color.
• Unusual sounds or missing familiar ones.
• Details that are slightly off, such as text or patterns.

RED or GREEN: Making the Call

RED means you believe something changed. GREEN means you believe the room is normal. The most common mistake is pressing GREEN too quickly, because subtle anomalies are designed to look almost right. If something feels off but you cannot name it, take a few more seconds to compare the room with your memory before deciding.

Many players find that trusting a vague feeling of change is correct more often than not. The game rewards instinct, but only when that instinct is built on a solid memory of the baseline.

Staying Calm

The atmosphere is designed to make you uneasy: an empty pool, echoing sounds, long silences. Nervousness leads to rushed decisions. Slowing down, breathing and following your scanning route keeps you focused. If tension builds too much, pause between loops.

Replaying for Other Endings

Because POOL LOOP has multiple endings, replaying is worthwhile. A second run benefits from everything you learned: you already know the baseline, and anomalies you missed before stand out immediately. Many players only notice certain changes on their second or third attempt.

With a clear baseline, a fixed scanning route and patience before pressing GREEN, POOL LOOP becomes a satisfying test of attention rather than a guessing game.