Prep guide
Optiver Zap N Practice Test: Mini Game & Numerical Screening Guide
Fast numerical mini games with changing prompts and tight pacing. This page explains what recruiters are screening for and links to QuantKing interactive practice on a dedicated page.
Use it alongside other online assessment practice for quant and trading interview prep.
Independent practice guidance. QuantKing is not affiliated with Optiver.
QuantKing Pro is required. Click here to practice.
What is Optiver Zap N?
What is it
Optiver Zap N style screens bundle several short numerical mini games into one assessment flow. You move quickly between prompts, react under time pressure, and keep accuracy high while the format shifts.
Recruiters use this style of task to measure numerical fluency, working memory, and whether you can sustain focus across multiple game types, not deep written proofs.
How it works
Expect rapid arithmetic and perception tasks with clean inputs and immediate feedback. Strong prep means learning the rhythm of each mini game before your real screening attempt, so you are not decoding instructions under the clock.
QuantKing hosts interactive Zap N style practice on a separate page for signed-in subscribers with an active Pro plan. This guide page stays public for interview prep and overview only.
For mental arithmetic in the same funnel, see Optiver's 80 in 8. For pattern and sequence reasoning, see Optiver NumberLogic.
How to prepare
Prioritize clean input and rapid pattern recognition over random speed bursts. Rehearse in short blocks so reaction speed stays high throughout the session.
Train in conditions that match the real screen: phone away, full length timed blocks, and short recovery between attempts so fatigue does not distort your strategy.