Harley's Humongous Adventure

🎮 Games like Harley's Humongous Adventure

Enjoy the Sci-Fi, Single-Player gameplay in Harley's Humongous Adventure? These 24 games are matched by gameplay features, genre, and developer, most similar first. Each one shows "what's similar".

1. 1

   ICEY

   · 2016

   ✔ Also Sci-Fi, Single-Player

   ICEY is a 2D side-scrolling action game and a META game in disguise. As you follow the nar…

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2. 2

   Beep

   · 2011

   ✔ Also Sci-Fi, Single-Player

   A lone spaceship has been gliding through the emptiness of interstellar space for a very l…

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3. 3

   Hover: Revolt of Gamers

   · 2017

   ✔ Also Sci-Fi, Single-Player

   After their first game "The Secret of Space Octopuses", and after winning the first prize …

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4. 4

   Ghost 1.0

   · 2016

   ✔ Also Sci-Fi, Single-Player

   A mysterious agent, capable of becoming a digital ghost, sneaks aboard the Nakamura Space …

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5. 5

   StarBreak

   · 2016

   ✔ Also Sci-Fi

   StarBreak is a unique skill-based action platformer MMO where you explore strange sci-fi w…

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6. 6

   The Mummy: Demastered

   · 2017

   ✔ Also Sci-Fi, Single-Player

   "A powerful ancient evil has arisen, and the war to save humanity has begun! The Mummy Dem…

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7. 7

   The Great Perhaps

   · 2019

   ✔ Also Sci-Fi, Single-Player

   The Great Perhaps is a time travel puzzle game about an astronaut returning to Earth destr…

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8. 8

   The Eternal Castle: Remastered

   · 2019

   ✔ Also Sci-Fi, Single-Player

   The Eternal Castle: Remastered is a remake of the original "Eternal Castle" from 1987, wit…

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9. 9

   Super Cloudbuilt

   · 2017

   ✔ Also Sci-Fi, Single-Player

   Take on the role of Demi, a young soldier who wakes up in the empty shell of a ruined buil…

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10. 10

    Glyph

    · 2021

    ✔ Also Sci-Fi, Single-Player

    Glyph’s gameplay combines breathtaking aerial maneuvers with tranquil exploration in a stu…

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11. 11

    Crystal Caves

    · 1991

    ✔ Also Sci-Fi, Single-Player

    Enter an underground world of treasures and traps in Crystal Caves, a colorful EGA game th…

    ⚔️ Compare with Harley's Hum…
12. 12

    Shiftlings

    · 2015

    ✔ Also Sci-Fi, Single-Player

    Shiftlings is the universally (and we mean that literally) popular hyper-show that has our…

    ⚔️ Compare with Harley's Hum…
13. 13

    Shiny

    · 2016

    ✔ Also Sci-Fi, Single-Player

    Left to fend for himself after mankind abandoned the doomed planet Aurora, robot Kramer 22…

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14. 14

    Exile's End

    · 2015

    ✔ Also Sci-Fi, Single-Player

    "Japan's take on classic Commodore 64/Amiga action-adventure games. NOT a Metroidvania. Us…

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15. 15

    BlowOut

    · 2003

    ✔ Also Sci-Fi, Single-Player

    As Major John "Dutch" Cane, you'll lead an elite platoon of mercenary commandos, outfitted…

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16. 16

    Ristar

    · 1995

    ✔ Also Sci-Fi, Single-Player

    Ristar is a platform game developed and published by Sega for the Sega Genesis in 1995. A …

    ⚔️ Compare with Harley's Hum…
17. 17

    The Last Night

    ✔ Also Sci-Fi, Single-Player

    The soul of a cinematic platformer with the heart of a sci-fi thriller, The Last Night is …

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18. 18

    Mega Man & Bass

    · 1998

    ✔ Also Sci-Fi, Single-Player

    Mega Man & Bass is an entry in the classic Mega Man series, with option for controlling ei…

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19. 19

    Vexx

    · 2003

    ✔ Also Sci-Fi, Single-Player

    Step into the role of Vexx as he seeks vengeance on those who murdered his grandfather and…

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20. 20

    Sonic Adventure 2: Battle

    · 2001

    ✔ Also Sci-Fi, Single-Player

    Sonic Adventure 2: Battle is a complete conversion of Sonic Adventure 2 from the Dreamcast…

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21. 21

    Xeodrifter

    · 2014

    ✔ Also Sci-Fi, Single-Player

    Xeodrifter is an action-packed exploration game with a retro graphical style. Blast your w…

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22. 22

    Star Fox 2

    · 2017

    ✔ Also Sci-Fi, Single-Player

    After the success of Star Fox, Nintendo decided to make a sequel on the same system. Howev…

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23. 23

    Contra ReBirth

    · 2009

    ✔ Also Sci-Fi, Single-Player

    Contra ReBirth is the ReBirth series of Contra. It is the 12th installment of Contra.

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24. 24

    Michael Jackson's Moonwalker

    · 1990

    ✔ Also Sci-Fi, Single-Player

    Several video games based on the 1988 Michael Jackson film Moonwalker. U.S. Gold published…

    ⚔️ Compare with Harley's Hum…