Civ 6 has quite a nice list of colonial policies:
These combined with Englands bonuses (cities in new continents get a free unit, Royal Navy dockyards produce extra gold in new continents) or Spain's (trade routes betweem continents give bonus yields, Unique improvement stronger when on different continent) could make strong and fun strategies.
Also might be good for a city-spamming multiplayer game.
- Colonization (Early Empire): +50% Production towards Settlers
- Native Conquest (Exploration): Combat victories over units from earlier eras provide Gold equal to 50% of the Combat Strength of the defeated unit.
- Colonial Offices (Exploration): +15% facter growth for cities not on your Capital's original continent.
- Colonial Taves (Colonialism): +25% Gold in cities not on your original Capital's continent.
- Press Gangs (Colonialism): 100% Production toward Renaissance and Industrial era naval units
- Raj (Colonialism): +2 Science, Culture, Faith, and Gold from each city-state your are Suzerain of.
These combined with Englands bonuses (cities in new continents get a free unit, Royal Navy dockyards produce extra gold in new continents) or Spain's (trade routes betweem continents give bonus yields, Unique improvement stronger when on different continent) could make strong and fun strategies.
Also might be good for a city-spamming multiplayer game.