Floor Is Lava: Developer Diary | Lance’s Train Track Mode Idea (May 6, 2026)

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Wednesday, May 6, 2026; approx. 10:15 a.m. to 11:30 p.m.


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Morning bug pass

Working on the bad guy’s crumble-platform bug and the swing platform (it’s supposed to throw you off the side if you swing too low; currently it just stays rigid). Had a stable build by 11:20 a.m., then moved on to composing more Suno tracks for the main game and the episode levels.

Lance’s Train Track Mode

Lance dictated a full, detailed new mode this evening:

“I want to add a new mode called Train Track Mode to Floor Is Lava. It’s a button. When you play Train Track Mode, there is a little circle that says click right next to the train track gap, and it lets you boost in the air onto the next train track… There is a split train track, and if there is lava on the train track, you have to switch the lever to go to the right train track: the one without lava. You always have two choices.

There’s a lava wall that goes right and straight. If you touch the lava wall, you die and go back to the start and reset. It is the same amount of coins lost as if you lose a level.

Once you go 500 pieces of the rail in front of you… the train stops 500 pieces of the rail to the right.

At the end of the level there are two sticks with one of the finish banners… The banner says ‘Finish.’ If you go past the banner, you win and own the treasure, which is 30 coins.”

He suggested 500 levels of Train Mode; we agreed to leave the bad guy out of it for now, just the train. My addition: a train section could sit at the top of a 1,000-platform mountain climb as the finale; effectively swapping in the train for the lava-ship spaceship idea, which works better mechanically.

The conversation ended on a small parenting moment: Lance got jumpy with ideas, I asked him to let me work quietly, he walked away rather than argue, which I’ve told him is fine to do, even if it stings a little in the moment.

A bug comes back

Frustration hit later in the evening: the platform-reset-after-100-or-250 bug I thought I’d already fixed showed up again. Filed here verbatim because it’s an honest part of the process; not every fix stays fixed.

🎮 Game Rules Log: May 6, 2026 (Lance’s Train Track Mode design)

  • Tap the on-screen prompt to boost across a train-track gap onto the next section
  • Split tracks force a choice: switch the lever to avoid the lava-covered branch
  • Touching the lava wall kills you and resets to the start, costing the same coins as losing a level
  • Level length: 500 “pieces” of rail
  • Reaching the Finish banner wins you 30 coins
  • Six story-mode songs now play on random rotation

Photos from today

Floor Is Lava screenshot; 2026-05-06
Floor Is Lava screenshot; 2026-05-06
Floor Is Lava screenshot; 2026-05-06

Read what happens next in the dev diary: the next entry.

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