Tax Heaven 3000 (free at Itch) is by MSCHF. Review by Amanda Silberling:
By the end of the game — and after you’ve verified your information is correct, you’ve uploaded your tax forms, etc. — you get an actual PDF of your tax return, which you can just print out and mail to the IRS. Just make sure you remove the two top pages of the document before you put them into an envelope, because they’re littered with Lisa Frank-style graphics. But you don’t need those pages, they’re just informational!
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“Don’t ever get involved with TurboTax,” Iris will tell you, her cheeks reddening. “They’re dangerous.”