Factorio Forums

TL;DR

Add some researches with Prometheum science that are fun and motivate players to play longer

What?

Add a "post-game" progression that gives players more of a reward for sticking it out in the endgame. Mechanics, items, or other that are hard to get and make the game a bit different to play and push players to making bigger bases. For example,

• 10,000 Prometheum science packs: Electric trains
• 100,000 Prometheum science packs: Loaders
• 1,000,000 Prometheum science packs: Personal teleporter
• 10,000,000 Prometheum science packs: Linked chests
• 100,000,000 Prometheum science packs: Get stone from asteroids
• 1,000,000,000 Prometheum science packs: Teleporting trains between planets
• 10,000,000,000: Player can land on Shattered Planet (just a bunch of rocks similar to SE's asteroid belts)
• 100,000,000,000: Convert water to fusion fuel

These are just some examples, really as long as it shakes up the game a little bit and can be a fun reward for a little while, that's plenty.

Why?

It can be hard as a player to stay motivated playing the game when there is nothing more to earn. Adding these "stretch goals" gives the player a target to aim for and show off to other people that they achieved.