Star and Solar System Stage: Guide Index

This guide continues the walkthrough of the game Solar 2, covering the various missions, achievements, and progression tips relevant to the various Star stages of the game. The Star Stage encompasses several sub-stages, namely Small Star, Medium Star, Large Star, Neutron Star, and solar systems which can be comprised of one or many stars along with orbiting planets.

  1. Star to Black Hole Progression (Below)
  2. Solar System Building (Below)
    +Supremacy and Overcrowding Achievement
  3. Betrayal Achievement
  4. Brethren Missions 1-3
  5. Duel Missions 1-3
    + Hobo Star Achievement
  6. Heist Missions 1-3
    + I Got This and Get Lost Achievements
  7. Invader Missions 1-3
  8. Final Boss
    + The Entity Achievement
  9. Elite and Grind Star Achievements
  10. Star Challenge Missions
    1. Dark Dodger
    2. Getaway Again
    3. Snowball Fight with the Snowflake Star Achievement
  11. Multi-Star Challenge Missions
    1. Chaos Duel
    2. Planet Stealer and the Master Thief Achievement

If you are looking for additional guides for this video game, you can find links below to the other stage indexes which hold more information and links to guides specific to those stages of existence.

Small Star to Black Hole Progression

The concept behind reaching the Black Hole stage as quickly as possible, forgoing the options of building up a multi-star system or 10 planet solar system, is to rapidly consume as much planet mass as possible. The method behind doing so is much like in the Planet stage with some key differences.

Gaining Mass as a Star

Instead of now capturing asteroids to consume for mass, you will need to capture planets. While more sparse, they are easier to capture than asteroids are for planets. This is mainly due to their slower relative speeds compared to your star and the gravity well you possess than can be used to capture them effectively.

Life Planets will of course offer the most mass upon consumption, but they can be beneficial by also shielding your star while you go about growing larger. You will need at least two Life Planets with at least three turrets on each before the shield becomes active over your star.

Finally, the one important note is that keeping your solar system small will allow you to find more free floating planets as growing a large solar system will cause larger objects like yours to spawn and less smaller objects like lone planets. Also make sure you don’t spawn a second star by consuming too much asteroid mass on one of your planets, unless going for the betrayal achievement below.

Solar System Building

Building up a solar system in Solar 2 follows similar concepts put forth in the guide covering the progression from Small Star to Black Hole. However, instead of simply consuming planets, you now want to raise them to fully experienced Life Planets or turn them into additional stars.

Managing The Planets In Your Solar System

As mentioned previously, capturing planets is much like capturing asteroids (check the Planet guide for details and diagrams) requiring you to move so that your relative speed with the planet is 0. Unlike asteroids and planets, however, you can capture new planets outside of the first 5 orbit rings up to the outermost 10th as your system grows.

Small Planets will need to be either replaced or grown into Life Planets to start providing real benefits towards your solar system. To grow the planets, you will have to maneuver your system as they orbit your star(s) in order to capture asteroids like how you have done before, although now with a slightly different movement pattern needed. Don’t bother trying to grow large asteroid shields around your planets as, unless you have their orbits rigidly controlled, their paths will eventually cross each other resulting in smashing your own planets and asteroids into each other.

Overcrowding Achievement

On your path to grow your solar system and enrich its lifeforms with experience you will be also working towards the Overcrowding achievement which requires you to gain the most life you possibly can in a solar system. This means at least 2 stars and all 10 planets with 18+ kills of experience each, or visually, 4 turrets on each.

Once you’ve managed to grow 10 planets with life on them from consuming asteroids, the best bet to raise their experience and unlock Overcrowding at the same time is to find smaller systems to pick on. Stay a decent range away so your spacecraft engage the hostile spacecraft but cannot reach the enemy planets in order to destroy them outright. Eventually your planets will build up experience in this manner and if you have a couple lagging behind, you can maneuver them so their turrets come into play, guaranteeing that planet makes the kills it needs.

“Supremacy” Achievement

For Supremacy, you will need to continue the work you started with Overcrowding. However, here we can use physics options (confirmed as this is how I unlocked my Supremacy achievement) to turn up the settings for the max turrets and max ships that planets will spawn while making their build time instant. This should give us planets with 14 turrets each and hordes of spacecraft constantly streaming outwards. Find a nearby enemy solar system to farm like before and in no time you will have racked up 100 kills on at least one of your planets.

Supremacy Achievement - Solar 2
Using physics option to boost life and burn the way to Supremacy.

Solar System Building Video Guide

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