Build a gem factory, one card at a time. Combine factory automation with deckbuilding as you mine, refine, transport and ship precious gems. Work with an eccentric crew in the abyss and meet the demands of Lilitryon, your gold-loving supervisor.
Wadoukaichin is a classic kanji puzzle: place one kanji in the center to complete four two-character words at once. 100 missions from easy to hard, plus Time Attack, a Daily Challenge, and 16-player online battles with three rule sets. Every word comes with its meaning, so you learn as you solve.
At 1 a.m., stand watch as a defensive AI in a SOC. Play SEC//SIM's first three nights and an exclusive fourth, Two Sounds. Check signals, trace hosts and keys, earn human approval, then strike at once. Can you spot the quiet move behind a ransomware countdown? Four nights lead into the full story.