CasualIndieSimulationStrategy
Megaquarium
Give it 2 hours
Gets good by 2h almost every game dips in hours 2–3
Fully opens up by 7h rated like by long-time players
Reach the ending 12% of players who started
Started playing 72% of owners
Steam reviews 95% positive of 3,807
What the data shows
- In the first 2 hours 1 in 3 reviews are negative (36%); after 20h it's 1 in 120 (1%).
- Fully opens up by hour 7.
- 12% of players who start reach the ending.
- The biggest drop-off is between “Complete 1. Sunnyside” (Complete all objectives in level 1. Sunnyside) and “Complete 2. North Woods”: from 100% to 66% of starters.
- 72% of owners got the first achievement.
When it gets good
Share of positive reviews by how many hours the reviewer had played when writing the review.
before it gets good opening up fully opened up
Based on all 3,829 Steam reviews in every language. Median playtime in a sample of 297 reviews: 33.7h for positive, 2h for negative. Almost every game is rated lower in the first 2–3 hours: that window includes refunds and quick first impressions. What matters is how deep the dip is and how fast the game recovers.
Where players quit
Share of players who started the game and reached each story milestone. 100% is the most common achievement (71.7% of owners), so people who bought the game and never launched it don't count.
- Started playing 100%
- Complete 1. Sunnyside Complete all objectives in level 1. Sunnyside. 100%
- Complete 2. North Woods Complete all objectives in level 2. North Woods. Most players quit here 66% −34
- Complete 3. Elmshorn Complete all objectives in level 3. Elmshorn. 47% −19
- Complete 4. Valberg Complete all objectives in level 4. Valberg. 38% −8
- Complete 5. Napalos Complete all objectives in level 5. Napalos. 31% −7
- Complete 6. Hartcliff Complete all objectives in level 6. Hartcliff. 25% −6
- Complete 7. Myra Complete all objectives in level 7. Myra. 21% −4
- Complete 8. Le Dufont Complete all objectives in level 8. Le Dufont. 18% −3
- Complete 9. Carbon City Complete all objectives in level 9. Carbon City. 16% −2
- Complete 10. Megalopolis Complete all objectives in level 10. Megalopolis. 12% −4
story milestone ending biggest drop-off
Story milestones were labeled by AI from achievement names and descriptions; mistakes are possible.
All achievements (25)
story milestone ending side
- Complete 1. Sunnyside Complete all objectives in level 1. Sunnyside. 100%
- Complete 2. North Woods Complete all objectives in level 2. North Woods. 66%
- Popular Have 1000 guests enter your aquariums. 54%
- Complete 3. Elmshorn Complete all objectives in level 3. Elmshorn. 47%
- Grower Grow 50 animals to full size. 41%
- Complete 4. Valberg Complete all objectives in level 4. Valberg. 38%
- Complete 5. Napalos Complete all objectives in level 5. Napalos. 31%
- Name an animal Name an animal by opening its window and double clicking its name. 27%
- Complete 6. Hartcliff Complete all objectives in level 6. Hartcliff. 25%
- Complete 7. Myra Complete all objectives in level 7. Myra. 21%
- Collector Buy 1000 animals. 20%
- Complete 8. Le Dufont Complete all objectives in level 8. Le Dufont. 18%
- Trader Complete 5 trades. 17%
- Complete 9. Carbon City Complete all objectives in level 9. Carbon City. 16%
- Complete 10. Megalopolis Complete all objectives in level 10. Megalopolis. 12%
- Helpful Complete 30 side objectives. 11%
- Sell sell sell! 4000 daily revenue from food, drink and gift shop sales. 6.4%
- Decorator Have 1500 Prestige income from decorations and paint. 6.3%
- Sandbox Trials - Standard In Sandbox mode, reach rank 12 using the Standard preset on normal difficulty or higher. 3.1%
- Sandbox Trials - Limited In Sandbox mode, reach rank 12 using the Limited Supply preset on normal difficulty or higher. 2.2%
- Sandbox Trials - Completionist In Sandbox mode, unlock every animal using the Quick Start preset on hard difficulty or higher. 2.1%
- Sandbox Trials - Limited Veteran In Sandbox mode, have 80 different species of animals in your aquarium using the Limited Supply preset on hard difficulty or higher. 1.4%
- Sandbox Trials - Quick Start Veteran In Sandbox mode, reach 10,000 Prestige using the Quick Start preset on hard difficulty or higher. 1.4%
- Sandbox Trials - Prestige time trial In Sandbox mode, accumulate 8000 Prestige before the end of Day 100, using the Quick Start preset on normal difficulty or higher. 0.4%
- Sandbox Trials - Species time trial In Sandbox mode, have 70 different species in your aquarium before the end of Day 100, using the Limited Supply preset on normal difficulty or higher. 0.4%
Steam page Updated: 2026-10-19.