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Jelly Killer

Mac, PC (Microsoft Windows), Linux • 2016

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Quick resume

Jelly Killer - Retro Platformer The Adventures Of A Young Bioweapon. In this game you will act like the young bioweapon. You will encounter lots of traps and puzzles. You will have to possess human bodies to pass the game to the end. Good luck!

Global score

80/100

Genres

Action, Adventure, Casual, Indie

Pros

  • Unique possession mechanic
  • Short, challenging levels
  • Retro pixel art style
  • Good achievement and trading card support
  • Affordable price especially on discount

Cons

  • Repetitive music
  • Random trap timing causing frustration
  • Limited level variety
  • No customization or multiplayer
  • Some control and camera issues

Motivations

  • Autonomy
    4

    "Players can choose when and which human characters to possess, deciding their path and actions freely within levels."

  • Competence
    3

    "Game involves skillful timing and puzzle solving, with increasing difficulty and some challenge in precise jumps and trap avoidance."

  • Competition
    -4

    "No evidence of competitive modes or player comparison; focus is on individual progression and achievement hunting."

  • Continuation
    2

    "Short levels and addictive gameplay encourage repeated attempts and continued play, though overall game is brief."

  • Cooperation
    -5

    "Entirely single-player experience with no cooperative or multiplayer elements."

  • Creativity
    3

    "Players creatively use possession mechanic to solve puzzles and navigate levels, experimenting with different characters' abilities."

  • Domination
    -5

    "No social dominance or power exertion over others; gameplay is solitary and puzzle-focused."

  • Escapism
    3

    "Players use the game as a fun distraction with engaging retro style and puzzle platforming to relieve stress."

  • Expectation
    -4

    "Players engage voluntarily for enjoyment and achievement hunting, not out of obligation or external pressure."

  • Experimenting
    3

    "Game encourages trying different strategies and character possessions to overcome obstacles and find optimal routes."

  • Exploration
    1

    "Some exploration of interconnected levels and shortcuts, but mostly linear progression through known areas."

  • Expression
    -3

    "Limited customization; players control preset characters with fixed abilities and no avatar personalization."

  • Fantasy
    4

    "Imaginative setting with a jelly bioweapon possessing humans in a sci-fi lab escape scenario."

  • Fellowship
    -5

    "No social or community features; entirely solo play."

  • Growth
    2

    "Players develop skills in timing, puzzle solving, and mastery of mechanics over short playtime."

  • Health
    -5

    "Standard sedentary gameplay with no physical activity or health-related features."

  • Idle
    -3

    "Requires focused attention and timing; not suited for passive or background play."

  • Intimacy
    -5

    "No social interaction or relationship building."

  • Leadership
    -5

    "No leadership or group management elements."

  • Progression
    3

    "Players progress through levels and unlock achievements, with some collection of trading cards."

  • Relaxation
    1

    "Some players find it relaxing and nostalgic, but others report frustration from difficulty spikes and random trap timing."

  • Sensation
    2

    "Retro pixel art and sound provide sensory enjoyment, though repetitive music is noted as a downside."

  • Status
    -4

    "No social status or recognition systems beyond achievements; focus is personal accomplishment."

  • Story
    2

    "Simple narrative about a jelly bioweapon escaping a lab, providing light context but minimal plot depth."

  • Strategy
    3

    "Requires planning which characters to possess and when, as well as timing and route optimization."

  • Thrill
    2

    "Some tension from traps and timing challenges, but overall not highly suspenseful."

  • Value
    3

    "Generally considered good value especially at discounted price; short but enjoyable experience."

  • Violence
    2

    "Contains combat elements such as shooting turrets and exploding possessed bodies, but violence is cartoonish and puzzle-oriented."

  • Survival
    2

    "Players must avoid traps and death to progress, requiring careful navigation and timing."

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    Last update: 06/03/2026