| Epic Words | MyDndGame | Obsidian Portal | |
|---|---|---|---|
| Site-wide Forum | Yes | Yes | Yes |
| Campaign-specific Forum | Yes | Yes | Paid-only |
| Site Tutorials / Help | Partial | Partial | Yes |
| Blog | Yes | Yes | Yes |
| Wiki | Yes | Yes | Yes |
| Wiki features | |||
| Preview edits | Yes | No | No |
| Page history | Yes | No | No |
| Page tags | No | Yes (called 'categories') | Yes |
| GUI Editor | Yes | Yes | Yes |
| Allows other markups | Yes (custom) | No | Yes (Textile and some HTML) |
| Blog/wiki/forum can interlink | Yes | Partial (using full URLs) | Yes |
| Store GM-only information | Yes | No | Yes |
| Player locator map | No | No | Yes |
| XP Tracker | Yes | No | No |
| Loot Tracker | Yes | No | No (but you can track individual items) |
| Dice Roller | No | Partial - you can roll dice in chat or forum posts with markup | Yes |
| Live chat | No | Yes | No |
| Character portraits | Yes | No | Yes |
| Email notification of events | Yes | Yes | Yes |
| Secure login (https) | No | No | Yes - https |
| Export/Backup data | No | No | Yes |
| Private Message System | Yes | Yes | Yes |
| Searchable campaign list | Yes | Yes | Yes |
| Easily searchable 'Open Games' list | No | Yes | Yes |
| Advertisement-free | Yes | Yes | No (but ads removed for pay accounts) |
| Image or File Hosting | Partial - profile image, character image | Partial - profile image | 2MB for free campaigns / 1GB for paid |
| Free Account | Yes | Yes | Yes |
| Paid Account | $12/year | Free | $40-$60/year |
| Payment System | Paypal | None - free | Amazon Payments |