Google Doodle Baseball started life as a one-off feature on Google's homepage and somehow outlived most actual homepage doodles by becoming a game people specifically seek out years later. The pixel-art presentation is barebones by modern standards, and that's part of the charm.
The mechanic itself is dead simple — time your swing to connect with the pitch, aim for gaps in the outfield, rack up runs before outs pile up. There's no roster management, no season mode, none of the depth a full baseball sim would have. It's a single at-bat loop, repeated, with the only real goal being a higher score than last time.
That simplicity is exactly why it works as a quick-break game. You don't need to remember complicated controls or pick up where you left off — every session starts fresh and ends whenever you're out.
Controls: Click or tap to swing, timed against the pitch.
Sometimes the least complicated game on the list ends up being the one people play the most, and this is a solid example of that. Worth a look on 6x classroom for something genuinely low-pressure.