SpreadCheat

Here is an excerpt from SpreadCheat's Steam description:

Cell-bending puzzles!

Excel and accounting has never been this exhilarating! Dive into SpreadCheat, where thrilling math puzzles await you. Unravel the main story with your spreadsheet skills or solve endless daily challenges. Get ready to turn those numbers into pure excitement!

Corporate shenanigans!

Step into the fast-paced and finance world of the 90's, and dip into the wonderful world of corporate bro culture. Crunch those numbers, cover for your boss, and climb that corporate ladder. Maybe you'll become a bro one day yourself?

Windows 3.1 nostalgia!

Indulge in the aesthetic pleasure of the ultimate 90's operating system. Complete with MIDI-music, 256 sparkling colors, hilarious e-mail attachments, your own personal genius Clippy-like assistant, Corpy!