Exo with Open Sans in action on rumblegames.com

• .header-1 { font-family: ExoBlack; font-size: 40px; font-style: normal; font-weight: 900; letter-spacing: normal; line-height: 35px; text-transform: uppercase; color: #F19603; }
• .content-1 { font-family: 'Open Sans', Tahoma, sans-serif; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: 22px; text-transform: none; color: #F2EDE6; }

Exo is available from Font Squirrel and Google Web Fonts.

Open Sans is available from Adobe Fonts, Font Squirrel, Google Web Fonts, MyFonts and Typekit.