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About I Was a Teenage Exocolonist
I Was a Teenage Exocolonist puts you in humanity’s first extrasolar colony, Vertumna, where every choice shapes both your life and the settlement’s future. The game blends RPG storytelling with simulation elements, letting you study, explore, date, and confront the planet’s wild creatures.
Your memories become collectible battle cards that unlock new options in challenges, from acing exams to surviving dangerous encounters. With dozens of endings, multiple lives, and a watercolor‑styled world, the experience emphasizes how personal decisions ripple through the colony’s fate.
01 / THE GUIDE
Story Events and Memories
The game offers over 800 story events that unfold as you progress through each month, letting you decide how to spend your time—studying, exploring, or building relationships. Every decision adds to a pool of memories that become battle cards, influencing later challenges.
These cards represent past experiences and can be played to gain advantages, such as improving test scores or navigating dangerous wildlife. The system ties narrative choices directly to gameplay options, reinforcing the impact of each action.
- Track which memories become battle cards to plan ahead for upcoming challenges.
- Consider diversifying activities each month to build a broader set of cards.
02 / THE GUIDE
Colony Jobs
Players can choose from 25 distinct colony jobs, ranging from depot clerk to valley surveyor. Each role provides unique daily tasks and influences the skills you develop over time.
Job selection affects the narrative context of your month, offering different interactions and opportunities to earn specific battle cards tied to the work you perform.
- Experiment with different jobs across playthroughs to see varied story outcomes.
- Match job duties with skills you wish to strengthen for future challenges.

03 / THE GUIDE
Friends, Dates, and Family
The game features 10 dateable characters and a range of friendships, allowing you to form bonds that affect both personal storylines and colony dynamics. Interactions can lead to romance, conflict, or cooperation.
These relationships generate specific battle cards, which can be used in later encounters, reflecting the emotional weight of your connections.
- Invest time in conversations to unlock deeper relationship cards.
- Balance family interactions with other activities to avoid missing key story events.
04 / THE GUIDE
Skill Growth
You can develop up to 15 skills, such as bravery, toughness, organization, and empathy. Skill progression is tied to the actions you take each month, influencing both narrative and challenge outcomes.
Skill growth shapes your challenge outcomes, giving you more options when facing difficult encounters like wild snapbladders.
- Focus on a few core skills per playthrough to see their impact clearly.
- Revisit earlier months with new skills to notice how challenges change.
05 / THE GUIDE
Endings and Replayability
The story branches into 29 wildly different endings, determined by the cumulative choices made each month. Each ending reflects the state of the colony and your personal journey.
Because memories persist as cards, replaying with different decisions can produce new card combinations, encouraging multiple playthroughs to explore alternate outcomes.
- Save before major decisions to compare how different paths affect endings.
- Note which battle cards were crucial in achieving a desired ending.





COMMUNITY
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