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  • steam
  • GameCharts     Steam    Under the blue horizon
    Month Avg. Players Gain % Gain Peak Players
    December 2025 1 0 0% 8
    November 2025 1 -2 -66.67% 6
    October 2025 3 1 50% 10
    September 2025 2 -2 -50% 9
    August 2025 4 -4 -50% 15
    July 2025 8 2 33.33% 22
    June 2025 6 -3 -33.33% 15
    May 2025 9 -1 -10% 21
    April 2025 10 -5 -33.33% 23
    March 2025 15 4 36.36% 43
    February 2025 11 -4 -26.67% 24
    January 2025 15 -11 -42.31% 39
    December 2024 26 -6 -18.75% 63
    November 2024 32 -5 -13.51% 75
    October 2024 37 -22 -37.29% 103
    September 2024 59 -98 -62.42% 151
    August 2024 157 --- --- 441

    About Under the blue horizon

    "Under the Blue Horizon" is an idle simulation game. Play while performing other tasks on your computer! Place your own aquarium anywhere on your screen, coexisting with your work, games, and more!



    1. Create fish! Fish grow by eating shrimp. Raise various fish and observe diverse species (there are really many different kinds of fish!)

    2. Build your own space under the blue horizon! You can turn the byproducts dropped by fish into currency (Aqua!). Collect Aqua to expand the sea, build and place structures!

    3. Crawfish and jellyfish are friends who help you! Hire these friends and plan more efficient placements and ways to acquire resources!




    4. Special friends provide various functions such as optimization, music, and new buildings! Hire special friends and enjoy diverse features!

    5. We provide convenience features...