
Space Waves
Indie gameGuide an arrow through tight tunnels by alternating ascent and descent. Avoid spikes and walls while learning each route.

OvO
Play on coolmathgames.com ↗Opens on coolmathgames.com in a new tab. Check the setup notes below before starting.
Chain jumps, slides and ground smashes through compact platforming courses. Reach the flag and practice a faster route.
Use arrow keys to move and jump. Press Down while running to slide, then jump out of the slide when you need more horizontal reach.
Press Down in midair for a smash and practice wall jumps alongside a vertical surface. Reach the flag first, then revisit the level to improve your route or collect bonus coins.
OvO is a movement-focused platform game where simple actions can be combined into faster routes. Sliding affects jump distance, while a downward smash can break through certain platforms. Learning those combinations matters more than rushing every input.
Open the OvO game on Coolmath Games with a keyboard available. Use Left/Right to move and Up to jump. Down has different effects on the ground and in the air, so learn those states separately.
| Left / Right | Move |
|---|---|
| Up | Jump / wall jump |
| Down while running | Slide |
| Down in midair | Smash downward |
| Character state | Movement combination |
|---|---|
| Running on a surface | Press Down to slide; jump from the slide when you need more horizontal reach. |
| Already airborne | Press Down for a downward smash, including through the transparent platforms described by the publisher. |
| Sliding down a wall | Press Up to perform the wall jump rather than expecting another floor jump. |
Choose a safe stretch and practice a slide jump without trying to beat the level time. Notice the distance it covers and where the character lands. Then practice a wall jump separately. Linking two reliable moves is easier to learn from than improvising several unfamiliar inputs over spikes.
After you can reach the flag, examine one awkward transition. It might need an earlier slide, a different landing or a deliberate smash instead of another ordinary jump. Change that transition and keep the rest of the route familiar so the result tells you something useful.
The publisher describes bonus coins used for skins. A detour for a coin can interrupt a clean route to the flag, so decide which goal matters for the attempt. Learning the coin route first and returning for a time attempt avoids judging both objectives by the same result.
Use a slide jump: slide while running, then jump from that movement. Practice the landing before using it over a dangerous gap.
The effect depends on whether you are on the ground or in the air. Down while airborne triggers the downward move.
The publisher instructions say to press Up while sliding down a wall. The character must be in contact with the wall rather than standing on the floor.
This guide treats skins as an unlock goal, not a verified movement advantage. Learn the combinations with a character you can see clearly.
Sources: coolmathgames.com. Last checked .

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