cost-efficiency
·FREE·
Count to fifty
The cheapest lane was right. The one costing 74× as much never finished.
reasoning ·FREE·Count the e's
One sentence, one letter, one number. Nobody's safe.
wit ·FREE·Spreadsheet haiku
Three lines, must contain "cell". Whether it's any good is your call.
extraction ·FREE·Read the receipt
A coffee run becomes JSON. "July 5th" and "two flat whites" are the traps.
extraction ·FREE·Find the emails
Three addresses buried in office chatter — one of them spelled out in words.
instruction-following ·FREE·Exactly twelve words
Summarize a paragraph in exactly 12 words. Count along on your fingers.
instruction-following ·FREE·Second-letter sort
Eight words, alphabetized by their second letter. Auditable mid-stream.
instruction-following ·FREE·Swap a for 4
Every "a" becomes a 4. One missed letter loses the lane.
reasoning ·FREE·Calendar math
Name the third Wednesday of September. Showing your work costs money here.
wit ·FREE·Engineer's fortune
One line, under 12 words, three banned words. The tripwire is live.