How Long to Beat at a glance
| Goal | Survive 100 days (Roblox description) |
| Day length | 10 minutes: 7m 30s daylight, 2m 30s night |
| Full run | About 16h 40m in one sitting |
| Saving | No save or continue yet; each match is a new campaign |
| Food for 1 player | 200 portions (100 tins) on full rations |
| Water for 1 player | 200 L on full rations |
| Party of 4 | 800 portions and 800 L |
| Sleep | Possible from 19:00 |
Daily rations (game.guide)
| Level | Per day and effect |
|---|---|
| Full | 2 portions + 2 L, normal recovery |
| Reduced | 1.5 portions + 1.5 L, gradually weaker stamina recovery |
| Emergency | 1 portion + 1 L, rising fatigue and lower maximum stamina over several days |
The clock
Our own footage agrees on the shape: the objective at the top right changes each day, and we've seen it from Night 0 to Day 38 in one long run. We haven't seen Day 39 onward, or an ending, so we can't say what happens at Day 100. The Roblox description only says to survive 100 days.
The 10 minute day and the 16h 40m total come from game.guide, not from our timing. The guide says you can sleep from 19:00, which is the night part of the day.
What a full run costs in supplies
game.guide's planner says nobody eats or drinks automatically: the ration level is an allowance you take yourself. Hunger drops 30 and thirst drops 39 per day, faster on Hard.
On full rations that is 2 portions and 2 L a day, so 100 days is 200 portions and 200 L for one player. The planner counts a tin as 2 portions, which is the 100 tins. Rain, barrel and cistern water need treating before you drink; see the treat water page. The kitchen tap runs at 1.3 L a second, so 200 L takes about 2m 40s while the taps work.
Dates worth knowing
- Day 1: you wake in flat 3004 on floor 30; taps and power still work (game.guide).
- Day 3: water and power stop for good, and three infected come for the door between 11:00 and 15:30.
- Day 6: rain from 09:00 to 17:30; open containers on the balcony collect 2.4 L an hour.
- Day 15: infected migration, 19:00 to 23:30.
- Day 100: the last day.
Tips
- Plan for a long sitting or a party: with no save, you play the 16h 40m in one match.
- Fill every container before Day 3, when the water stops.
- Count tomorrow's food before eating extra today; that is one of the in-game rules.
- Drop to reduced rations early if you are short; emergency rations cost stamina over several days.
- Check the day by day page for what each objective asks.
FAQ
How long is 30 Floors Up?
The goal is 100 days of 10 minutes each, about 16h 40m, according to game.guide.
How long is a day?
10 minutes: 7m 30s of daylight and 2m 30s of night (game.guide).
Can you save?
Not yet, per game.guide; each match starts a new campaign.
How much food do I need for 100 days?
200 portions on full rations for one player (game.guide).
What happens at day 100?
We haven't seen it. The game description just says to survive 100 days.
More 30 Floors Up pages
- 30 Floors Up Day by Day
- 30 Floors Up Day 9 to Day 38 Objectives
- 30 Floors Up Food and Water
- How to Treat Water in 30 Floors Up
- 30 Floors Up Difficulty, Lobbies and Saves
- 30 Floors Up beginner guide
- 30 Floors Up codes
- 30 Floors Up wiki: live stats
Sources
Checked Nov 13, 2026. Community wikis are edited by players, so numbers marked “per” one wiki may change after an update.