A. Consolidated Asset Checklist
A.1 Scenes (8 base images)
Scene
Web px
Mobile px
Mouse Cage
480×270
195×422
Fish Tank
480×270
195×422
Astronaut Space
480×270
195×422
Officer Room
480×270
195×422
A.2 Character sprite sheets (4 sets × multiple sheets)
Per character:
Idle (2 frames)
Walk L→R / R→L (4 frames each)
Hold sign (3 frames)
Random behaviors (3–5 variations)
Completion action (wave / jump / OK / salute)
Break 4th wall (2 frames)
Officer additional: 5 idle poses + 5 random behaviors + card flip 4 frames
Companion
Content
Mouse companions
4 colors (grey/brown/pink/black) × walk × 2 directions
Fish companions
4 colors (black/white/yellow/calico) × swim × 2 directions
Tardigrade
1 × float animation
Ant
1 × walk
Element
Spec
Card (blank)
96×56 wood texture
Card (pink heart back)
Same + 4×4 heart
☰ menu
24×24
Card fold corner icon
8×8
Progress bar background
60×2
Pixel font
0–9, A–Z, a–z, top 200 Chinese chars
Speech bubble
20×12
A.5 Author page extra assets
Element
Spec
Pixel self-portrait
32×40 + 4 facings
Pixel cat / dog / duck / platypus
24×24, 4-frame idle with tail wag
IG pixel icon
16×16
Bookmark pull tab
32×8
Sound
Duration
Wood clack
0.2s
Bell tail
1s
Mouse claw
0.3s loop
Goldfish bubbles
Ambient loop
Astronaut hum
Ambient loop
Officer wood floor steps
0.4s loop
B. Consolidated Hex Color Reference
#2A2128 Warm black / outline
#F4EFE6 Warm white / highlight
#7A7480 Neutral grey
#7B9268 Plant green / breathing color
#E89BAA Theme pink / Officer + Mouse accent
Mouse body: #F4EFE6
Mouse companions: #9B9590 #8B6F4E #E8C5BC #3A3438
Goldfish body: #E89060
Goldfish fins: #C44536
Goldfish belly: #F4EFE6
Goldfish vars: #3A3438 #F4EFE6 #D4A574 (orange+white calico)
Astronaut suit: #ECEEF2
Astronaut metal: #7A8290
Astronaut visor: #15161E
Officer olive: #5C6B4F
Officer badge: #D4A574
Officer cap/boots: #2A2128
Warm Wood (default)
Wood: #8B5E3C Water: #5B8FA6 Space: #1B2233 Room: #A89478
Cool Mist
Wood: #6B6B7A Water: #7A9BA8 Space: #1A2028 Room: #9B9DA5
Sepia Quiet
Wood: #7A6447 Water: #8A7560 Space: #2A2520 Room: #A89478
Scenes: scene_[name]_[platform].png
e.g. scene_mouse_cage_web.png
Characters: char_[name]_[action]_[frame].png
e.g. char_officer_walk_03.png
UI: ui_[element]_[state].png
e.g. ui_card_blank_front.png
Audio: sfx_[name].wav
e.g. sfx_card_flip.wav
D. Future Expansion Notes
Slot 5 character : Reserve ? until product matures. Suggested fill: "maker's room" / author page extension.
Cross-device sync : Consider iCloud / Firebase in v2.
More pixel animals : 2 reserved slots in author page for future additions.
New background variants : Time-of-day already implemented. Future: weather dimension (rain / snow).
Milestone expansion : 1000hr / cumulative 100 days / cumulative 365 days as future additions.
Author page content : Filled after beta testing.
Term
Meaning
Companion
Non-protagonist character that passes through a scene
Pass-by
Companion's quiet appearance, not protagonist interaction
4th wall break
Character turns to face the player directly
Cumulative days
Total distinct dates focus was logged, never resets
Tint shift
Runtime palette/shader adjustment for time-of-day
Slot 5
The 5th locked character placeholder, reserved as mystery