INDIE GAME / PLAY GUIDE
Henry Halfhead: index of 30 achievement conditions
Released: routes for all 24 puzzle pieces and 20 books organized · Updated 2026-10-13
Check chapter-specific, cumulative and story achievements separately. English names are an index; correspondence with official Japanese achievement names is uncertified.
Six story achievements
Check the object to become, where to move it and achievement completion separately. Activities with multiple solutions show one example; identical input counts may not work in every physical state.
| Target/achievement | Action | Notes/checks |
|---|---|---|
| They grow up so fast | Progress through childhood. | Chapter end. |
| Grade A Student | Progress through school. | Chapter end. |
| A new Beginning | Advance the rain scene. | Partway through work. |
| Employee of the Month | Progress through work. | Chapter end. |
| Rediscovered | Advance the adult home's main objective. | Chapter end. |
| What a Life! | Finish the story. | Late in the old-age stage. |
Chapter actions and puzzles
Check the object to become, where to move it and achievement completion separately. Activities with multiple solutions show one example; identical input counts may not work in every physical state.
| Target/achievement | Action | Notes/checks |
|---|---|---|
| Delicious Treat | Break the jar as a baby. | Childhood only. |
| Come prepared | Pack a writing tool → take it out on the first school day. | Spans two chapters. |
| Frequent Flyer Club | Fly high as a paper plane. | School. |
| Beans for Breakfast | Cushion on the teacher's chair. | First school day. |
| Taste the Rainbow | Eat seven paint colors. | School. |
| Employee of the Year | Deliver 100 parcels. | Workplace. |
| Back on Schedule | Remove the canceled-service sign. | Bus stop. |
| Plant Whisperer | Grow five plants. | Adult home. |
| Maximum Meal | Eat pasta with many ingredients. | Fixed mandatory ingredients unconfirmed. |
| Swimming Buddy | Duck in the bathroom tank. | Travel by bubble. |
| Deep Fried | Experience an in-game electric shock. | Do not try in reality. |
| Toigliatelle | Heat pasta in the toilet. | Not every orientation/input confirmed. |
| Through the Ceiling | Tower of height 300. | Physical states vary. |
| Puzzle Beginner | Six-piece picture. | Childhood. |
| Puzzle Amateur | Six-piece picture. | School. |
| Puzzle Champion | Eight-piece picture. | Adult home. |
| Puzzle Master | Four-piece picture. | Old age. |
Seven cross-chapter/cumulative achievements
Check the object to become, where to move it and achievement completion separately. Activities with multiple solutions show one example; identical input counts may not work in every physical state.
| Target/achievement | Action | Notes/checks |
|---|---|---|
| High Note | Become a musical note. | Not the instrument itself. |
| Soapy Flight | Become a soap bubble. | Water and soap. |
| 5 Seconds Rule | Eat food on the floor. | Multiple chapters. |
| Sodaplosion | Fly 20 m as a soda can. | Distance/height definition untested. |
| Fashionista | Ten different hats. | Wear them. |
| Book Worm | 20 books. | Open and read. |
| Most Valuable Halfhead | Every other achievement. | Check the unlock last. |
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