♻️
PSOAS Waste Guide
Sort
Smart.
Tap any category to learn
All
🌿 Bio
📦 Carton
🍶 Glass
📰 Paper
🧴 Plastic
🥫 Metal
🔥 Burnable
🎮
Eco Games
Play &
Learn.
Learn waste sorting with fun mini-games
🧩
Sort Quiz
5-question lessons on every waste category
Play Now ▶
🌀
Sort Rush
Sort falling trash into the right bins before time runs out!
Play Now ▶
🏙️
Eco City
Build a clean city by sorting correctly
Strategy
⚡
Speed Sort
Sort as many as possible in 60 seconds
Speed Run
🔍
Mystery Trash
Identify mystery objects and sort them
Puzzle
🌎
World Cleaner
Pick up litter across the world
Explorer
🏆 Weekly Leaderboard
🥇
🐸
EcoFrog_99
4,820 pts
🥈
🦋
BluButterfly
3,945 pts
🥉
🐝
GreenBee99
3,210 pts
4
🦔
You
1,230 pts
AI Waste Scanner
Scan
Trash.
Camera or photo — AI classifies instantly
Hold steady · AI will classify
📷

Camera not started

—
—
AI Confidence—
General waste
Recycling point
Hazardous
Kaijonharju Recycling Point
~80 m · Glass, Plastic, Metal
PSOAS Waste Station
~140 m · All categories
Linnanmaa Eco Point
~320 m · Cardboard, Paper
Hazardous Waste Drop-off
~600 m · Batteries, Electronics
University Campus Bins
~750 m · Mixed recycling
🧠
Waste Sorting Lessons
Level
Up.
Complete lessons to master recycling
0Total XP
0/8Lessons Done
❤️❤️❤️
Question 1 of 5
🎉
Lesson Complete!
⭐⭐⭐
+100 XP
Sorty
3
Sorty
Eco Warrior · Member since Jan 2025
850
Total XP
🔥 12
Day Streak
47
Items Sorted
🔥
12 day streak
M
T
W
T
F
S
S
🇫🇮 Finland City Rankings
Finland · April 2026 Live
🥇 Tampere 96.4 pts
🥈 Turku 93.1 pts
🥉 Jyväskylä 89.7 pts
#4 Espoo 87.2 pts
#5 Helsinki 85.9 pts
#6 Oulu (You) 84.1 pts
#7 Lahti 81.3 pts
#8 Kuopio 79.6 pts
🎫 Available Coupons €9.75 ready ›
📰 Local News 3 new ›
Apr 16 · Oulu
New plastic collection points open in Kaijonharju
Apr 14 · PSOAS
Spring waste audit results — your building ranked #4 citywide
Apr 10 · City
Oulu joins national bio-waste reduction challenge for May
PSOAS Reward Centre
Cashback
Coupons.
Earn real savings through eco actions
💰 €0.00 available
⏳ 0 in progress
All
💰 Available
⏳ In Progress
✓ Redeemed
Select Language
🇬🇧
English
English
✓
🇫🇮
Finnish
Suomi
✓
🇸🇪
Swedish
Svenska
✓
🌐
Other
More languages
✓
Score
0
High
0
Items
0
x2 Combo!
SPEED UP!
Cardboard Box
Tap a bin below ↓

♻️ Bin Toss

Sort trash fast — tap the correct bin before time runs out!
Wrong bin = Game Over!
👆 Tap a bin button to sort the item
⏱ Faster sorting = more points
First 8 items are nice and slow!