1. Think about making objects that requires more than one board of space to complete. This will help give objects, platforms, and terrain in your levels greater depth and detail.
2. Think about your color palette in your level. Does it have a cool or warm theme? Having a preset color palette will help give your level flow and overall design strength.
3. Incorporate animations into your level design. Having a combination of stationary boards and animations can help break up your level with interesting things to look at.
4. Avoid having an area with repetitive boards. In other words, avoid filling an area with the same board. Incorporating various different boards with the same theme. This will help get rid of those eye sore areas.
5. Even though its fun to have simple hallways and paths, avoid the classic one block tunnels that use the same board for everything. Think about more intricate paths with various height levels.
6. Think about form with your art boards. Adding shading can always help whatever you are creating pop out more or add to the level of detail.
7. Adding secrets can always make a level even more successful. This gives the player an incentive to go back and replay your level or spend more time searching around. This gives a higher appreciation to what your level shows rather than someone running right past an object you may have spent hours creating.
8. Create a story that draws the player in. Mystery, drama, and action are always a go to when it comes to story telling. Having story blocks can help develop a thicker love for your level as players will become more engaged with what your level has to offer.
9. Make a level difficult, but not impossible. (Unless that’s what you’re going for of course!) Try to avoid those easy straight-line levels you can complete in seconds. Add some jumps, and maybe a path that isn’t so obvious but can be found with a little bit of searching.
10. Plan out your level before you jumping in to create it. Having a base idea and layout for your game helps you have a good workflow.