I would say Yay.
- Create a Text-based Version first with UMG to get the Game Screens, Text Commands, Chat, Dialog, Storytelling perfected.
- Goto the Marketplace, purchase Simple Multiplayer Chat to get chat support in sooner than later.
- Set up Third Person Template with Player Controller & Blue Guy Pawn that can be controlled from the text UI commands with commands. Ensure all features above are functional.
- Create a Landscape and drop in Player.
- Add mouse control to Player controller, keeping the control via command as alternative means of control. Ensure all features above are functional.
- Add Network Replication to the Player Controller & Blue Guy Pawn. See Content Example - Network Features and the new Multiplayer Shootout. Check out other Content Examples as well.
- Test Multi-player with Two (2) Player (same instance). Ensure all features above are functional.
- Create a Seamless Streaming Level with 3 Additional Terrains.
- Ensure all features above are functional with Streaming Levels.
- Download all FREE Engine Examples and Content, it has some AI and Vehicle Game demos to expand on.
- Goto Forum Community Content and search for suitable, easily modifiable Content.
- Modify and Add Content with 3rd Party Tools Blender3D, Gimp, Audacity/Hydrogen
- Goto the Marketplace, purchase Urban City, Modular Building Set, Race Course Pack, Character Attributes, Blueprints Inventory,Simple Multiplayer Chat,Realistic Blueprints Weapons,Improptu Ladders,Industrial Props Set, Weapon Equip
- Add Marketplace content to Streaming Landscapes to Build Level.
- Talk to ClayBender about some Modular Clothing Packs for the Blue Guy Pawn.
- Monetize the Game with In-game Purchases.