Gen 2

Type in the five stats on screen and the tool works back to the hidden values behind them.

A move, an attacker, a defender: the exact damage, worked out the way the game works it out.

What each trade with an in-game character really gives you, starting with the level, which the guides get wrong.

How long to wait before evolving, and what each level past that costs you.

Tick your cartridges and what you already own: the tool says what is left to catch before the Bank closes.

Which cartridges you need to catch every species in a game of its own generation.

Which ball to throw and at what odds, including the four that do not do what they claim.

Say where your Tyrogue stands and the tool says whether it can still become Hitmontop, and at what level.

Your trainer ID decides which trees hold anything. The tool says which ones to hit, and for what.

The password that resets the clock, worked out from your name, your trainer ID and your money.

What an egg really inherits from its parents, and what there is no point hoping for.

An Unown's letter is computed: see which one you get, and which ones are rarest.

Pick a species, your cartridge and the time of day: where it appears, and your odds on each step.

Enter your catch and the tool says whether it wins the Bug-Catching Contest, and against whom.