About the game

In Plastic Tides you play as a fish swimming through increasingly harsh environment. Avoid poisonous plastics and other obstacles and survive as long as possible.

Game was made for Earth Day Jam 2025.

How to play

Movement

Use WASD keys to swim.

Hold SHIFT to swim faster. But keep in mind that it costs you some energy.

You can DASH when you are moving by pressing SPACEBAR. This action costs 25 energy and you can't perform it when you don't have enough. You can also dash through some normally dangerous things (like white bits or poisonous bubbles) and avoid the damage you would normally take.

You can pause the game by pressing ESC.

Eating

Eat greenish bits by swiming at them. They gives you energy, heals you a little bit and most importantly - gives you points.

Avoid danger

Predator fish appears from time to time. When it does, quickly hide in foliage on the bottom of the river. 


Predator fish has an idicator above its head that slowly fills up when it sees you and decreases when you are hidden. When it reaches maximum value, you will get eaten. If you are hiding, the fish will lost interest after some time.

Aviod white bits.


It is plastics that is harmful when eaten. Simply swim around it.

Do not swim through poisonous bubbles.


They harm you as well. You can avoid them by swimming behind the green barrel or by dashing through them.

Dirty water slows you down.

Even that it is not hurting your HP, it is better to avoid swimming in it as it is harder to maneuver. Simplest way how to get from it is by dashing.



Comments

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I'm starting to get frustrated because I can't beat the creator! >:( But overall it's well paced and fun to play.

Another new version released. It includes following changes:

  • Added two new obstacles
    • Drought - water level drops, making it harder to avoid obstacles on smaller space
    • Flooding - massive rains causes water level to raise and making the river current faster
  • Food healing value doubled.
  • You can't dash, when you are not moving now(so it doesn't waste 25 energy)
  • Added fellow fish to make you company in the river
  • Fixed few minor bugs

I have released new version. Here is the brief changelog:

  • fixed bug that caused fish not to eat and move weirdly on some playthroughs
  • increased food (greenish bits) spawn rate slightly  to fasten game progression
  • lowered attention bar progression of the predator fish making it easier to hide (but progression now gets little faster, further in game you are)
  • fixed issue in non-tutorial mode causing some obstacles (barrels, dirty water) to appear earlier than they should

If you encounter any issue, please let me know, so I can fix it. Thank you!