This is an unstable beta release (version 0.1) of the CHALET environment (Yan et al. 2017). The release contains build for 5 houses. There are 3 type of builds for each house: a) WebGL-Standalone: Useful for visualizing the dataset and collecting trajectories using crowdsourcing. b) WebGL-Simulator: Useful for replaying a json trajectory that is collected using the Standalone builds. c) Socket-Client: Used for communication with an agent over socket. Most suited for instruction following experiments. Our builds are available under Creative Commons License 4.0 https://creativecommons.org/licenses/by/4.0/ Please see LICENSE for full details. We will provide the source code soon on Github (https://github.com/clic-lab/chalet). Please send an email to dkm@cs.cornell.edu for any inquiry. Our source code is also provided under the Creative Commons License 4.0 however we do use Nekobolt 3D house assets for graphics. Please refer to Unity3D EULA agreement for full details on how to use these Assets. A purchased copy of these Assets will be required to compile them with our source code. Full details will be provided soon along with test scripts. Dipendra Misra (on behalf of the CHALET team).