About the Game

Improbability Fighter is a homebrew shoot-em-up released for the NES by Wendel Scardua in 2021. You must defeat 13 enemy fighters spread across 6 waves to win.

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Wave 1

First, let's start talking about the fighter's physics. You can shoot once every 8 frames and can shoot 3 bullets in ~67 frame intervals.

The wave itself is pretty easy with 1 flying saucer.

Wave 2

This wave has 2 flying saucers instead of 1. Just as before, it's pretty easy.

Wave 3

In this wave, the "CHAOS" bar gets filled. This can turn you into 1 of 2 things: a tree or a Tetris block. The tree has 32 frame shooting intervals and can take down a fighter in 3 hits. The Tetris block has 8 frame shooting intervals in sets of 4 and can take down a fighter in 4 hits. The Tetris block is overall faster to use, so with some simple luck manipulation, my fighter becomes a Tetris block. This is much faster than your plain old fighter jet.

Anyway, there are 4 flying saucers in this level, making it pretty tough. However, with some very precise Tetris manoeuvres, I can clear it easily.

Wave 4

Now we've gone from saucers to big jets, with this level having 1. Really easy to take out with the Tetris block.

Wave 5

The chaos bar has been filled again, which means I have to switch back to my plain old fighter jet.

This wave has 2 big jets instead of 1. It's objectively exactly as difficult as Wave 3.

Wave 6

Here we go. This is the final wave.

This wave has 3 big jets instead of 2. It's the hardest and longest wave in the game.

However, Wave 6 is sped up at the last minute thanks to another filling of the chaos bar. I can shoot the last 3 bullets as a Tetris block and finish the game. Input ends when I shoot the final bullet on frame 2530.

Thanks for Reading!

If you find any improvements, I'll include you as a co-author.

Improvements Underway

I’m currently redoing this TAS in order to improve it.

LoganTheTaser: Cancelled due to optimisation being too difficult.

adelikat: Original submission notes restored.