Casual · 2026
ARC Aquarium
Dive into **ARC Aquarium**, a peaceful 2D idle simulation where you build, personalize, and care for your own underwater world. Collect 85 distinct fish species, each with unique traits, prices, and growth requirements. Watch them thrive as they gain experience, evolve visually, and swim naturally through smooth animations. Decorate your tank with 86 customizable items, rearrange layouts, and experiment with 9 backgrounds to match your style. The aquarium progresses even when you’re away, earning EXP and unlocking new content automatically. Keep things tidy by cleaning dirt with a simple click—bonus EXP included. Designed for relaxation, it supports offline play, idle progression, and a stress-free economy. Available in 23 languages, it’s perfect for casual players and seasoned sim fans alike. Whether you’re active or just checking in, your aquatic haven grows richer over time. Experience serene, hands-off jugabilidad that rewards patience and creativity. ARC Aquarium blends calm and charm into every detail.