Why isn't this called Inktober?

Inktober is a registered trademark of a specific company and challenge. We use the generic name '31-Day Drawing Challenge' — same idea, different name.

Are the daily prompts the same every year?

Yes — Day N's object is deterministic. The daily prompt list is hand-picked, stable, and doesn't change with the calendar year.

Where does my progress live?

In your browser's localStorage. Nothing is uploaded. Export to JSON if you want to keep a backup or sync to another device.

Can I do the challenge in any month?

Yes. The challenge is available year-round. The 'Today' button only auto-picks in October; otherwise it falls back to Day 1.

Can I share my progress?

You can export the JSON file and share it manually. There is no public progress page or social feed by design — privacy first.

31-Day Drawing Challenge

A 31-day daily drawing challenge with one prompt per day. Available year-round, defaults to today in October. Local progress tracking with JSON export and import.

Last updated: May 2026

437 objects match

What it does

31 hand-picked daily objects

Each prompt is recognisable across cultures with a drawability score ≥ 3. Day 1 through Day 31, year-round.

Lockable style and constraint

The day's object is locked when you select a day; you re-roll style and constraint to suit your medium and time.

31-cell progress grid

Each day has a checkbox. Saved locally to your browser. Streak through October or pace yourself across months.

JSON export and import

Back up your progress to a JSON file or move it to another browser. The schema is documented and machine-readable.

"Today" button

In October, picks the current calendar day. In any other month, defaults to Day 1 — but the button still opens the day picker.

How to use 31-Day Drawing Challenge

1
Open the page in October
Or any other month — the challenge is year-round. The "Today" button picks the current date.
2
See your prompt
The day's object is shown. Re-roll style or constraint to suit your medium.
3
Draw it
Sketchbook, tablet, sticky note. Take 60 seconds or 60 minutes — your call.
4
Check the day off
Tap the day cell to mark it complete. Progress is saved automatically.

When to use this

Inktober-style October challenge

Visit each morning of October. Today is auto-selected. Draw, mark complete, repeat for 31 days.

Year-round daily streak

Pick Day 1, draw, check it off, then Day 2 the next morning. The challenge cycles every 31 days.

Catch up after a missed day

Use the day picker to jump back, draw the missed day, mark it complete. Progress is per-day, not chronological.

Frequently Asked Questions

Why isn't this called Inktober?: Inktober is a registered trademark of a specific company and challenge. We use the generic name '31-Day Drawing Challenge' — same idea, different name.
Are the daily prompts the same every year?: Yes — Day N's object is deterministic. The daily prompt list is hand-picked, stable, and doesn't change with the calendar year.
Where does my progress live?: In your browser's localStorage. Nothing is uploaded. Export to JSON if you want to keep a backup or sync to another device.
Can I do the challenge in any month?: Yes. The challenge is available year-round. The 'Today' button only auto-picks in October; otherwise it falls back to Day 1.
Can I share my progress?: You can export the JSON file and share it manually. There is no public progress page or social feed by design — privacy first.

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